Numbers 1,400,000,000s

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

All Numbers[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 ...

 1,419,405,625

 [Math.]   Sum of the first 274 cube numbers:

 13+…+2743 = 1,419,405,625 = (1+2+…+274)2 = 37,6752.

 

 1,420,405,752

 [Tech.]   The resonance frequency (Hz, Hertz) of Hydrogen maser.

 

 1,428,571,428

[Math.]

1×7 + 3 = 10

14×7 + 2 = 100

142×7 + 6 = 1000

1428×7 + 4 = 10000

14285×7 + 5 = 100000

142857×7 + 1 = 1000000

 

1428571×7 + 3 = 10000000

14285714×7 + 2 = 100000000

142857142×7 + 6 = 1000000000

1428571428×7 + 4 = 10000000000

14285714285×7 + 5 = 100000000000

142857142857×7 + 1 = 1000000000000

 

1428571428571×7 + 3 = 10000000000000

 

1,431,435,383

[Math.]   11273 = 1,431,435,383.

 

1,431,655,765

[Math.]   A regular polygon with this odd number (product of Fermat prime numbers) of sides is constructible by using only straightedge and compass. 143,1655,765 = 5´17´257´65,537.

 

1,436,789,025

[Math.]   379052 = 1,436,789,025, a square number using each of 10 digits 0-9 once. (The 9th of 87 such numbers).

 

1,440,202,500

[Math.]   Sum of the first 275 cube numbers:

13+…+2753 = 1,440,202,500 = (1+2+…+275)2 = 37,9502.

 

1,448,864,950

[Math.]   Two consecutive sums of consecutive square numbers:

1,448,864,950 = 52532+…+53042 = 53052+…+53552.

 

1,461,227,076

[Math.]   Sum of the first 276 cube numbers:

13+…+2763 = 1,461,227,076 = (1+2+…+276)2 = 38,2262.

 

1,462,938,570

[Math.]  (References [1])

Pan-digital number

2× a zero-less

pan-digital number

Uses each of

9 digits 1-9 once

1,037,246,958

= 2×518,623,479

= 9×57,624,831

1,046,389,752

= 2×523,194,876

= 9×58,132,764

1,286,375,904

= 2×643,187,952

= 9×71,465,328

1,307,624,958

= 2×653,812,479

= 9×72,645,831

1,370,258,694

= 2×685,129,347

= 9×76,125,483

1,462,938,570

= 2×731,469,285

= 9×81,274,365

  

1,482,481,009

[Math.]   Sum of the first 277 cube numbers:

13+…+2773 = 1,482,481,009 = (1+2+…+277)2 = 38,5032.

 

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.