139 ( one hundred thirty nine ) is a natural number located between the numbers 138 and 140 .
| 139 | |
|---|---|
| one hundred thirty nine | |
| ← 137 · 138 · 139 · 140 · 141 → | |
| Factorization | simple |
| Roman notation | CXXXIX |
| Binary | 10001011 |
| Octal | 213 |
| Hexadecimal | 8B |
In Math
- 34th prime number .
- 139 - is an odd three-digit number.
- The sum of the digits of this number is 13
- The product of the digits of this number is 27
- The square of the number 139 - 19 321
In other areas
- 139 year
- 139 BC e.
- Port 139 is used by the NetBIOS protocol.
- NGC 139 is a galaxy in the constellation Pisces .
- (139) Ruihua is a very large and dark asteroid from the group of the main belt .
- 139th Infantry Division (1st formation) .
- 139th Infantry Division (2nd formation) .
- 139th Infantry Division (3rd formation) .
Literature
- Henri Cohen. A Course in Computational Algebraic Number Theory . - Springer Science & Business Media, 2013 .-- P. 229. - 536 p. - ISBN 3662029456 .