Compare 20899 vs 21149
| Property | 20899 | 21149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208991 | 211491 |
| Prime factorization | 20899 | 21149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20899 | 1, 21149 |
| Number of properties | 10 | 11 |
| Additive primes | 1104th | |
| Chen primes | 1157th | 1168th |
| Cousin primes (1st member) | 356th | |
| Happy primes | 388th | 394th |
| Harmonic primes | 862nd | |
| Isolated primes | 1658th | |
| Long primes | 894th | 904th |
| Lucky primes | 382nd | |
| Primes | 2351st | 2377th |
| Prime triplets (2nd member) | 174th | |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 344th | |
| Super primes | 349th | 352nd |
| Twin primes (2nd member) | 356th | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010001101000112 | 1010010100111012 |
| Base 3 | 10012000013 | 10020000223 |
| Base 4 | 110122034 | 110221314 |
| Base 5 | 11320445 | 11340445 |
| Base 6 | 2404316 | 2415256 |
| Base 7 | 1146347 | 1154427 |
| Base 8 | 506438 | 512358 |
| Base 9 | 316019 | 320089 |
| Base 10 | 2089910 | 2114910 |
| Base 11 | 1477a11 | 1498711 |
| Base 12 | 1011712 | 102a512 |
| Base 13 | 968813 | 981b13 |
| Base 14 | 788b14 | 79c914 |
| Base 15 | 62d415 | 63ee15 |
| Base 16 | 51a316 | 529d16 |