Compare 13421 vs 13721
| Property | 13421 | 13721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 134211 | 137211 |
| Prime factorization | 13421 | 13721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13421 | 1, 13721 |
| Number of properties | 9 | 6 |
| Additive primes | 767th | |
| Chen primes | 806th | 823rd |
| Cousin primes (2nd member) | 258th | |
| Happy primes | 268th | |
| Harmonic primes | 572nd | 583rd |
| Isolated primes | 1091st | |
| Long primes | 619th | |
| Primes | 1592nd | 1623rd |
| Pythagorean primes | 787th | 805th |
| Twin primes (1st member) | 255th | |
| Ulam primes | 119th | |
| Roman numberals | ||
| Base 2 | 110100011011012 | 110101100110012 |
| Base 3 | 2001020023 | 2002110123 |
| Base 4 | 31012314 | 31121214 |
| Base 5 | 4121415 | 4143415 |
| Base 6 | 1420456 | 1433056 |
| Base 7 | 540627 | 550017 |
| Base 8 | 321558 | 326318 |
| Base 9 | 203629 | 207359 |
| Base 10 | 1342110 | 1372110 |
| Base 11 | a0a111 | a34411 |
| Base 12 | 792512 | 7b3512 |
| Base 13 | 615513 | 632613 |
| Base 14 | 4c6914 | 500114 |
| Base 15 | 3e9b15 | 40eb15 |
| Base 16 | 346d16 | 359916 |