49 ( forty nine ) is a natural number located between the numbers 48 and 50 .
| 49 | |
|---|---|
| Forty nine | |
| ← 47 · 48 · 49 · 50 · 51 → | |
| Factorization | 7 2 |
| Roman notation | Xlix |
| Binary | 110001 |
| Octal | 61 |
| Hexadecimal | 31 |
In Math
- Number 7 square
- 2 49 = 562949953421312
- Semisimple number
- 8th trimorphic number [1] .
Notes
- ↑ David Wells The Penguin Dictionary of Curious and Interesting Numbers , P. 121