749 ( seven hundred forty-nine ) is a natural number located between the numbers 748 and 750 .
| 749 | |
|---|---|
| seven hundred forty nine | |
| ← 747 748 749 750 750 → | |
| Factorization | 7 · 107 |
| Roman notation | DCCXLIX |
| Binary | 1011101101 |
| Octal | 1355 |
| Hexadecimal | 2ED |
In Math
- 749 is an odd three-digit number.
- The sum of the digits of the number 749 is 20 .
- The product of the digits of this number is 252 .
- The square of this number is 561 001.
- 749 is a semisimple number [1] .
- The number 749 is trimorphic [2] .
- 749 is the sum of 3 consecutive primes (749 = 241 + 251 + 257).
In other areas
- 749 year .
- 749 BC er
- NGC 749 is a galaxy in the constellation Oven .
Notes
- ↑ sequence A001358 in OEIS .
- ↑ sequence A033819 in OEIS