Compare 18140 vs 18149
| Property | 18140 | 18149 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 9071 | 181491 |
| Prime factorization | 2 × 2 × 5 × 907 | 18149 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140 | 1, 18149 |
| Number of properties | 0 | 10 |
| Additive primes | 978th | |
| Chen primes | 1033rd | |
| Harmonic primes | 753rd | |
| Isolated primes | 1442nd | |
| Primes | 2081st | |
| Pythagorean primes | 1027th | |
| Sexy primes (2nd member) | 642nd | |
| Sophie germain primes | 302nd | |
| Super primes | 313th | |
| Ulam primes | 153rd | |
| Roman numberals | ||
| Base 2 | 1000110110111002 | 1000110111001012 |
| Base 3 | 2202122123 | 2202200123 |
| Base 4 | 101231304 | 101232114 |
| Base 5 | 10400305 | 10400445 |
| Base 6 | 2155526 | 2200056 |
| Base 7 | 1036137 | 1036257 |
| Base 8 | 433348 | 433458 |
| Base 9 | 267859 | 268059 |
| Base 10 | 1814010 | 1814910 |
| Base 11 | 126a111 | 126aa11 |
| Base 12 | a5b812 | a60512 |
| Base 13 | 834513 | 835113 |
| Base 14 | 687a14 | 688514 |
| Base 15 | 559515 | 559e15 |
| Base 16 | 46dc16 | 46e516 |