Compare 21377 vs 21407
| Property | 21377 | 21407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 213771 | 214071 |
| Prime factorization | 21377 | 21407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21377 | 1, 21407 |
| Number of properties | 8 | 6 |
| Chen primes | 1177th | 1180th |
| Good primes | 268th | |
| Happy primes | 398th | |
| Isolated primes | 1679th | |
| Long primes | 909th | 911th |
| Primes | 2398th | 2404th |
| Prime triplets (1st member) | 181st | |
| Pythagorean primes | 1190th | |
| Sexy primes (1st member) | 728th | |
| Sexy primes (2nd member) | 730th | |
| Twin primes (1st member) | 363rd | |
| Roman numberals | ||
| Base 2 | 1010011100000012 | 1010011100111112 |
| Base 3 | 10020222023 | 10021002123 |
| Base 4 | 110320014 | 110321334 |
| Base 5 | 11410025 | 11411125 |
| Base 6 | 2425456 | 2430356 |
| Base 7 | 1162167 | 1162617 |
| Base 8 | 516018 | 516378 |
| Base 9 | 322829 | 323259 |
| Base 10 | 2137710 | 2140710 |
| Base 11 | 1507411 | 150a111 |
| Base 12 | 1045512 | 1047b12 |
| Base 13 | 996513 | 998913 |
| Base 14 | 7b0d14 | 7b3114 |
| Base 15 | 650215 | 652215 |
| Base 16 | 538116 | 539f16 |