Awona manani makhulu nawona mancinci anemivo emi-4 1000 and 9999 ngokulandelelana.
Apha, Leliphi elona nani linamanani ama-4? Elona nani liphezulu leenombolo ezine
So 9999 lelona nani linamanani amane kwinkqubo yamanani. Kungoko kungqinwa ukuba u-9999 lelona nani linamanani amane likhulu.
Leliphi elona nani linamanani ama-3? Ngoko 999 lelona nani likhulu elinamanani ama-3 kwinkqubo yamanani. Ngoko ke kuyangqinwa ukuba u-9999 lelona nani likhulu elinamanani ama-3 kwinkqubo yamanani. Umbuzo 7: Leliphi elona nani lincinci linamanani ama-5?
Ukongeza Mangaphi amanani aphakathi kwama-999 nama-3000? Phakathi kwamanani angama-999 kunye nama-3000, kukho ngokupheleleyo 2000 amanani anemivo emine. Olu luhlu lungentla luqhubekeko lwe-arithmetic. Yiyo loo nto phakathi kwama-999 kunye nama-3000 kukho ama-2000 amanani amanani amane.
Yeyiphi esona sibalo sikhulu esingenakwenziwa kusetyenziswa u-8 kunye no-9 abaninzi? 1,99,99,999.
Yeyiphi eyona PIN inzima enamanani ama-4?
Phantse i-11% ye-3.4 yezigidi ze-passwords ziyi-1234. Yiloo 374,000! Ifunyenwe rhoqo kuneyona khowudi iphantsi ye-4,200 idibene. I-PIN yesibini ethandwa kakhulu enamanani-4 yi-1111 phantse i-6% (204,000).
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Yile nto abayifumeneyo.
Uhlu | IPIN | Freq |
---|---|---|
#1 | 1234 | 10.713% |
#2 | 1111 | 6.016% |
#3 | 0000 | 1.881% |
#4 | 1212 | 1.197% |
Yeyiphi eyona khowudi yamanani ama-4 enzima? Ukuba ikhompyuter iqikelela amanani ngokungakhethiyo, ke yonke indibaniselwano enye ayinakwenzeka ukuba iqikelele. Ukuba iqikelela ngokusekwe kutyekelo lwendalo lwabantu kwipateni, eyona nto inzima ukuyithelekelela kukuba “8068 ". Ngesizathu esithile, xa uphononongo lwenziwa le yayiyeyona isetyenziswa kancinane indibaniselwano enamanani ama-4 ngelo xesha.
Yintoni iPIN eyomeleleyo enamanani ama-4? Eyona PIN ikhuselekileyo inamanani ama-4 yile '8068' - okanye ubuncinci bekunjalo, de abaphandi beDatha yeGenetics baxelele wonke umntu kule veki. Abaphandi baye badlula kwiseti ye-3.4 yezigidi zeenombolo zesazisi ezinedijithi ezine kwaye bafumanisa ukuba "8068" beza ngamaxesha angama-25 kuphela. … Uphononongo lukwafumanise ukuba ii-PIN ezininzi zisekelwe kwizikhokelo ezibonakalayo.
Leliphi elona nani lingaqondakaliyo?
6174 yaziwa ngokuba yi-Kaprekar rhoqo emva kwesazi sezibalo saseIndiya u-DR Kaprekar. Eli nani liphawuleka kulo mgaqo ulandelayo: Thatha naliphi na inani elinemivo emine, usebenzisa ubuncinane amadijithi amabini ahlukeneyo (oziro abakhokelayo bavumelekile).
Kwakhona Yintoni inombolo enethamsanqa enamanani ama-3? iibhonasi lucky
Bazi: 3, 7, 13, 31. , 37, 43, 67, 73, 79, 127, 151, 163, 193, 211, 223, 241, 283, 307, ...
Leliphi elona nani lidumileyo?
Kwaye elona nani liThandayo kwihlabathi li...
Uphando olusungulwe ngumbhali waseBrithani wemathematika lufumanise ukuba Sixhenxe lelona nani lithandwayo ehlabathini, iThe Guardian inikela ingxelo. Iziphumo zovavanyo olwenziwe kwi-Intanethi zapapashwa ngoLwesibini, zaza ezintathu, ezisibhozo kunye nezine zeza ezesibini, ezesithathu nezesine.
Mangaphi amanani apheleleyo aphakathi kwama-99 nama-300? 201 iphelele akukho phakathi kwama-99 kunye nama-300.
Mangaphi amanani anemivo emine anokwenziwa kwimivo 1234?
Kungoko, kule meko kukho u-4 3 = 12 amanani anokuba nemivo emibini. Kwidijithi yesithathu kukho ukhetho olu-2 kuphela kwaye kwidijithi yokugqibela, ukhetho olunye. Ngoko ke ukuba awuvumelekanga ukuphinda idijithi inani elinokubakho lamanani anemivo emi-4 onokuthi ulakhe ukusuka ku-1,2,3,4 ngu-4 3 2 1 = 24.
Yintoni eza ngaphambi nje kwe-1000000?
Inani nje phambi kokuba 1000000 999999 (okt, 1000000 − 1).
Leliphi elona nani likhulu linokwakheka kusetyenziswa amanani ama-5 ahlukeneyo? Ngoko ke, 98,765 lelona nani linamanani ama-5 anemivo emi-5 eyahlukeneyo.
Wongeza njani amalungu amabini kuluhlu? Umbono kukuqala ukunqumla zombini uluhlu ngaxeshanye ukusuka esiphelweni side sifike kwisalathiso sika-0 sayo nayiphi na uluhlu. Ngelixa unqumla izakhi zoluhlu ngalunye, yongeza ielementi yazo zombini uluhlu kwaye uthwale ukusuka kwisamba esidlulileyo. Ngoku gcina idijithi yeyunithi yesibalo kwaye uyiqhube phambili kwisalathiso semali esilandelayo.
Lithini inani lawo onke amanani kwelona nani likhulu linamanani ama-4?
Njengoko sisazi kwelona nani likhulu linamanani ama-4 zonke iindawo zinokugcwaliswa ngowona manani mkhulu alithoba (9). Ngoko ke elona nani likhulu linamanani ama-4 ngu-9999. Ngoku kufuneka sibale isibalo kunye nomahluko kula manani mabini. Ngoko ke, isibalo sawona manani makhulu kunye nawona mancinci amanani anemivo ngu 10999.
Leliphi inani elinqabileyo? Ukuba siqwalasela amanani anqabileyo e-palindromic, kukho amanani amaninzi anqabileyo ngokungenasiphelo. Umzekelo, amanani kuthotho 242, 20402, 2004002, 200040002, 20000400002 ... ngamanani anqabileyo e-palindromic.
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Amanani anqabileyo.
isihloko | Amanani anqabileyo |
---|---|
umnini | Kausthub ( 26471 ) |
Igqityelwe ukulungiswa ngu | Kausthub (26471) |
Isazisi samanani | 4 |
umbhali | Kausthub (26471) |
• nge-22 kaMatshi 2013
Ithini inombolo ye-PIN ekhuselekileyo?
Ukhuseleko ngokungalindelekanga
“Ngokwezibalo, 8068 yeyona PIN ikhuselekileyo,” utshilo uTyler Moffitt, umhlalutyi wophando oluphezulu eWebroot. “Amanye amanani alungileyo ngu-7637, 6835, no-9629. Kodwa oko kubangelwa ubukhulu becala ngenxa yokuba awalandeli ipatheni, ayingomhla, okanye ukuphindwa kwamanani, okanye ikholamu yekhiphedi yamaqhosha (2580).”
Ngaba iipaskhowudi ezinamasuntswana ama-4 zikhuselekile? A ngobulumko iPIN ekhethiweyo enamanani amane ikhuselekile ngokwaneleyo, ikakhulu ngenxa yokuba abavelisi banciphisa inani lokuzama ukufaka i-PIN. I-Apple isitshixa isixhobo ngokupheleleyo emva kwamangeno alishumi angachanekanga. Kwi-smartphone ye-Android, iikhowudi ezahlukeneyo azikwazi ukufakwa enye emva kwenye ngokulandelelana ngokukhawuleza.
Yeyiphi inombolo ye-PIN elungileyo?
“Ngokwezibalo, I-8068 yeyona PIN ikhuselekileyo, "Utshilo uTyler Moffitt, umhlalutyi ophezulu wophando ngezisongelo eWebroot. “Amanye amanani alungileyo angama-7637, ama-6835, nama-9629. Kodwa ubukhulu becala kungenxa yokuba azilandeli mfuziselo, ayingomhla, okanye ukuphindwaphindwa kwamanani, okanye ikholamu yamaqhosha (2580).”
Ndizikhumbula njani iikhowudi ze-PIN? Iindlela zokukhumbula i-PIN khowudi yakho
- Pela igama elinamanani.
- Ukuthabatha okanye Ukongeza amanani kwii-PIN ezikhumbulekayo.
- Qhagamshela amanani kubantu obaziyo.
- "Numberfy" ingoma oyithandayo okanye imuvi.
- Ukwahlula amanani.
Yeyiphi inombolo ye-PIN elungileyo?
An 8- okanye 12-digit PIN ikhuseleke ngakumbi kunenombolo yemveli enamanani ama-4, kodwa kunzima ukuyikhumbula, ngaphandle kokuba sele ikwinkumbulo yakho.
Yeyiphi eyona khowudi yamanani ama-4? Ezona ziqhelekileyo ii-PIN ezinedijithi ezine, ngokutsho kophononongo, zi 1234, 0000, 2580 (amanani avela ngokuthe nkqo ngaphantsi kwelinye kwiphedi yamanani), 1111 kunye no-5555.