Compare 241 vs 421
| Property | 241 | 421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2411 | 4211 |
| Prime factorization | 241 | 421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 241 | 1, 421 |
| Number of properties | 10 | 6 |
| Additive primes | 31st | 48th |
| Centered square primes | 8th | |
| Harmonic primes | 19th | |
| Lucky primes | 16th | 23rd |
| Primes | 53rd | 82nd |
| Proth primes | 9th | |
| Pythagorean primes | 24th | 40th |
| Solinas primes | 29th | |
| Super primes | 16th | |
| Twin primes (2nd member) | 17th | 22nd |
| Ulam primes | 10th | |
| Roman numberals | CCXLI | CDXXI |
| Base 2 | 111100012 | 1101001012 |
| Base 3 | 222213 | 1201213 |
| Base 4 | 33014 | 122114 |
| Base 5 | 14315 | 31415 |
| Base 6 | 10416 | 15416 |
| Base 7 | 4637 | 11417 |
| Base 8 | 3618 | 6458 |
| Base 9 | 2879 | 5179 |
| Base 10 | 24110 | 42110 |
| Base 11 | 1aa11 | 35311 |
| Base 12 | 18112 | 2b112 |
| Base 13 | 15713 | 26513 |
| Base 14 | 13314 | 22114 |
| Base 15 | 11115 | 1d115 |
| Base 16 | f116 | 1a516 |