Compare 18149 vs 19937
| Property | 18149 | 19937 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181491 | 199371 |
| Prime factorization | 18149 | 19937 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18149 | 1, 19937 |
| Number of properties | 10 | 6 |
| Additive primes | 978th | 1047th |
| Chen primes | 1033rd | 1108th |
| Harmonic primes | 753rd | |
| Isolated primes | 1442nd | 1575th |
| Primes | 2081st | 2254th |
| Pythagorean primes | 1027th | 1120th |
| Sexy primes (2nd member) | 642nd | |
| Sophie germain primes | 302nd | |
| Super primes | 313th | |
| Ulam primes | 153rd | 164th |
| Roman numberals | ||
| Base 2 | 1000110111001012 | 1001101111000012 |
| Base 3 | 2202200123 | 10001001023 |
| Base 4 | 101232114 | 103132014 |
| Base 5 | 10400445 | 11142225 |
| Base 6 | 2200056 | 2321456 |
| Base 7 | 1036257 | 1120617 |
| Base 8 | 433458 | 467418 |
| Base 9 | 268059 | 303129 |
| Base 10 | 1814910 | 1993710 |
| Base 11 | 126aa11 | 13a8511 |
| Base 12 | a60512 | b65512 |
| Base 13 | 835113 | 90c813 |
| Base 14 | 688514 | 73a114 |
| Base 15 | 559e15 | 5d9215 |
| Base 16 | 46e516 | 4de116 |