Compare 283 vs 421
| Property | 283 | 421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2831 | 4211 |
| Prime factorization | 283 | 421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 283 | 1, 421 |
| Number of properties | 9 | 6 |
| Additive primes | 35th | 48th |
| Centered square primes | 8th | |
| Left-truncatable primes | 22nd | |
| Lucky primes | 17th | 23rd |
| Primes | 61st | 82nd |
| Prime triplets (3rd member) | 17th | |
| Pythagorean primes | 40th | |
| Sexy primes (2nd member) | 34th | |
| Sexy prime triplets (3rd member) | 17th | |
| Super primes | 18th | |
| Twin primes (2nd member) | 19th | 22nd |
| Roman numberals | CCLXXXIII | CDXXI |
| Base 2 | 1000110112 | 1101001012 |
| Base 3 | 1011113 | 1201213 |
| Base 4 | 101234 | 122114 |
| Base 5 | 21135 | 31415 |
| Base 6 | 11516 | 15416 |
| Base 7 | 5537 | 11417 |
| Base 8 | 4338 | 6458 |
| Base 9 | 3449 | 5179 |
| Base 10 | 28310 | 42110 |
| Base 11 | 23811 | 35311 |
| Base 12 | 1b712 | 2b112 |
| Base 13 | 18a13 | 26513 |
| Base 14 | 16314 | 22114 |
| Base 15 | 13d15 | 1d115 |
| Base 16 | 11b16 | 1a516 |