Numbers 1,600,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

1,000,000,0001,100,000,0001,200,000,0001,300,000,0001,400,000,000

1,500,000,0001,600,000,0001,700,000,0001,800,000,000 – 1,900,000,000

[1B] – [2B] – [3B] – [4B] – [5B] – [6B] – [7B] – [8B]  – [9B] & [10B]

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

1,604,938,257

[Math.]   One of 27 special permutations of the pan-digital number 1,234,567,890: 123,456,789×13 = 1,604,938,257.

1,604,938,257

[Math.]   Pan-digital number factorization: 1,604,938,257´6,419,753,028 = 3,209,876,5142.

1,614,914,596

[Math.]   Sum of the first 283 cube numbers:

13+…+2833 = 1,614,914,596 = (1+2+…+283)2 = 40,1862.

1,631,432,881

[Math.]   The 7th square number that is also a triangular number: 40,3912 = 1+2+…+57,121 = 1,631,432,881. Each root number in the series is 6 times the previous root number minus the earlier root number: 1, 62, 352, 2042, 11892

1,637,820,900

[Math.]   Sum of the first 284 cube numbers:

13+…+2843 = 1,637,820,900 = (1+2+…+284)2 = 40,4702.

1,643,897,025

[Math.]   405452 = 1,643,897,025, a square number using each of 10 digits 0-9 once. (The 13th of 87 such numbers).

1,651,637,417

[Math.]   A prime number.

1,651,637,417 = 1!2+2!2+3!2+4!2+5!2+6!2+7!2+8!2.

1,651,637,418

[Math.]  1,651,637,418 = 0!2+1!2+2!2+3!2+4!2+5!2+6!2+7!2+8!2.

1,660,970,025

[Math.]   Sum of the first 285 cube numbers:

13+…+2853 = 1,660,970,025 = (1+2+…+285)2 = 40,7552.

1,666,666,665

[Math.]   Inserting 72 between 2 digits 2 in the square number 225 = 152 and repeatedly inserting numbers 72 between the digits 7 and 2 yields other squares 27225 = 1652, 2772225  = 16652, 277722225 = 166652, 27777222225 = 1666652

1,666,666,666

[Math.]   166,666,666,650,000,000,003,333,333,333 =

= 1,666,666,6663+5,000,000,0003+3,333,333,3333.   (Generalizable)

1,000,000,000,000,000,166,666,666,650,000,000,003,333,333,333

= (1015)3+1,666,666,6663+5,000,000,0003+3,333,333,3333.

1,684,363,681

[Math.]   Sum of the first 286 cube numbers:

13+…+2863 = 1,684,363,681 = (1+2+…+286)2 = 41,0412.

x,yzw,abc,def

[Math.]  For any x,yzw = 1000 to 9999, there are always six 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 6 digit-rotations of 142,857 and the number x,yzw,abc,def is a multiple of 142,857.

For any x,yzw = 1000 to 9999, there are always twelve 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number x,yzw,abc,def is a multiple of 76,923.