Compare 397 vs 541
| Property | 397 | 541 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3971 | 5411 |
| Prime factorization | 397 | 541 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397 | 1, 541 |
| Number of properties | 8 | 9 |
| Additive primes | 45th | |
| Chen primes | 71st | |
| Cousin primes (1st member) | 22nd | |
| Cuban primes 1 | 8th | |
| Good primes | 28th | |
| Happy primes | 21st | |
| Harmonic primes | 41st | |
| Isolated primes | 37th | 51st |
| Left-truncatable primes | 31st | |
| Long primes | 38th | |
| Lucky primes | 27th | |
| Primes | 78th | 100th |
| Pythagorean primes | 37th | 47th |
| Sexy primes (1st member) | 48th | |
| Roman numberals | CCCXCVII | DXLI |
| Base 2 | 1100011012 | 10000111012 |
| Base 3 | 1122013 | 2020013 |
| Base 4 | 120314 | 201314 |
| Base 5 | 30425 | 41315 |
| Base 6 | 15016 | 23016 |
| Base 7 | 11057 | 14027 |
| Base 8 | 6158 | 10358 |
| Base 9 | 4819 | 6619 |
| Base 10 | 39710 | 54110 |
| Base 11 | 33111 | 45211 |
| Base 12 | 29112 | 39112 |
| Base 13 | 24713 | 32813 |
| Base 14 | 20514 | 2a914 |
| Base 15 | 1b715 | 26115 |
| Base 16 | 18d16 | 21d16 |