Compare 21149 vs 21757
| Property | 21149 | 21757 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211491 | 217571 |
| Prime factorization | 21149 | 21757 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21149 | 1, 21757 |
| Number of properties | 11 | 8 |
| Additive primes | 1104th | |
| Chen primes | 1168th | 1199th |
| Happy primes | 394th | |
| Harmonic primes | 899th | |
| Isolated primes | 1658th | 1700th |
| Long primes | 904th | |
| Lucky primes | 395th | |
| Primes | 2377th | 2441st |
| Pythagorean primes | 1180th | 1212th |
| Sexy primes (2nd member) | 719th | 739th |
| Sophie germain primes | 344th | |
| Super primes | 352nd | 362nd |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010010100111012 | 1010100111111012 |
| Base 3 | 10020000223 | 10022112113 |
| Base 4 | 110221314 | 111033314 |
| Base 5 | 11340445 | 11440125 |
| Base 6 | 2415256 | 2444216 |
| Base 7 | 1154427 | 1203017 |
| Base 8 | 512358 | 523758 |
| Base 9 | 320089 | 327549 |
| Base 10 | 2114910 | 2175710 |
| Base 11 | 1498711 | 1538a11 |
| Base 12 | 102a512 | 1071112 |
| Base 13 | 981b13 | 9b9813 |
| Base 14 | 79c914 | 7d0114 |
| Base 15 | 63ee15 | 66a715 |
| Base 16 | 529d16 | 54fd16 |