Compare 3121 vs 3613
| Property | 3121 | 3613 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 31211 | 36131 |
| Prime factorization | 3121 | 3613 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3121 | 1, 3613 |
| Number of properties | 7 | 10 |
| Additive primes | 228th | 259th |
| Centered square primes | 19th | 20th |
| Cousin primes (1st member) | 100th | |
| Emirps | 105th | 134th |
| Isolated primes | 312th | |
| Left-truncatable primes | 80th | |
| Lucky primes | 94th | 107th |
| Primes | 445th | 505th |
| Pythagorean primes | 219th | 248th |
| Sexy primes (2nd member) | 189th | |
| Twin primes (2nd member) | 83rd | |
| Roman numberals | MMMCXXI | MMMDCXIII |
| Base 2 | 1100001100012 | 1110000111012 |
| Base 3 | 110211213 | 112212113 |
| Base 4 | 3003014 | 3201314 |
| Base 5 | 444415 | 1034235 |
| Base 6 | 222416 | 244216 |
| Base 7 | 120467 | 133517 |
| Base 8 | 60618 | 70358 |
| Base 9 | 42479 | 48549 |
| Base 10 | 312110 | 361310 |
| Base 11 | 238811 | 279511 |
| Base 12 | 198112 | 211112 |
| Base 13 | 156113 | 184c13 |
| Base 14 | 11cd14 | 146114 |
| Base 15 | dd115 | 110d15 |
| Base 16 | c3116 | e1d16 |