Compare 20887 vs 21023
| Property | 20887 | 21023 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208871 | 210231 |
| Prime factorization | 20887 | 21023 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20887 | 1, 21023 |
| Number of properties | 3 | 9 |
| Cousin primes (2nd member) | 359th | |
| Harmonic primes | 869th | |
| Isolated primes | 1640th | 1649th |
| Long primes | 900th | |
| Lucky primes | 381st | |
| Primes | 2349th | 2366th |
| Prime quintuplet 2s (5th member) | 7th | |
| Prime triplets (3rd member) | 177th | |
| Sexy primes (2nd member) | 716th | |
| Sexy prime triplets (3rd member) | 196th | |
| Roman numberals | ||
| Base 2 | 1010001100101112 | 1010010000111112 |
| Base 3 | 10011221213 | 10012111223 |
| Base 4 | 110121134 | 110201334 |
| Base 5 | 11320225 | 11330435 |
| Base 6 | 2404116 | 2411556 |
| Base 7 | 1146167 | 1152027 |
| Base 8 | 506278 | 510378 |
| Base 9 | 315779 | 317489 |
| Base 10 | 2088710 | 2102310 |
| Base 11 | 1476911 | 1488211 |
| Base 12 | 1010712 | 101bb12 |
| Base 13 | 967913 | 975213 |
| Base 14 | 787d14 | 793914 |
| Base 15 | 62c715 | 636815 |
| Base 16 | 519716 | 521f16 |