Numbers 99,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

99,066

[Math.]  990662 = 9,814,072,356, a square number using each of 10 digits 0-9 once. (The largest of 87 such numbers).

99,225

[Math.]   99,225 = 3152 = 253+263+273+283+293.

99,371

[Math.]  Circular prime numbers: all 5 numbers 93719, 37199, 71993, 19937 and 99371 are prime.

99,551

[Math.]  The 9551st prime number is 99,551.

99,625

[Math.]  (Sequence of numbers 9…9625)

99,6252 = 9,925,140,6252

99,705

[Zip]  U.S. Postal Zip Code: North Pole, Alaska 99705.

99,716

[Zip]  U.S. Postal Zip Code: Two Rivers, Alaska 99716.

99,856

[Math.]  The largest 5-digit square number = 3162.

[Math.]  Squares of 2 consecutive even numbers using the same digits: 3142 = 98,596 and 3162 = 99,856.

99,889

[Math.]

99,889×11+(11–1) = 1,098,789

998,877,889×11+(11–1) = 10,987,656,789

9,988,776,677,889×11+(11–1) = 109,876,543,456,789

99887766556677889×11+(11–1) = 1,098,765,432,123,456,789

...

99,900--99,999 (separate page)

99nnn

[Zip]  U.S.Postal Zip Codes of Washington: 98nnn, 990nn-994nn.

U.S. Postal Zip Codes of Alaska: 995nn-999nn.