Compare 541 vs 643
| Property | 541 | 643 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5411 | 6431 |
| Prime factorization | 541 | 643 |
| Divisors count | 2 | 2 |
| Divisors | 1, 541 | 1, 643 |
| Number of properties | 9 | 7 |
| Additive primes | 63rd | |
| Chen primes | 71st | |
| Cousin primes (1st member) | 29th | |
| Good primes | 28th | |
| Harmonic primes | 41st | |
| Isolated primes | 51st | |
| Left-truncatable primes | 38th | |
| Long primes | 38th | |
| Lucky primes | 27th | 33rd |
| Primes | 100th | 117th |
| Prime triplets (2nd member) | 24th | |
| Pythagorean primes | 47th | |
| Sexy primes (1st member) | 48th | |
| Twin primes (2nd member) | 29th | |
| Roman numberals | DXLI | DCXLIII |
| Base 2 | 10000111012 | 10100000112 |
| Base 3 | 2020013 | 2122113 |
| Base 4 | 201314 | 220034 |
| Base 5 | 41315 | 100335 |
| Base 6 | 23016 | 25516 |
| Base 7 | 14027 | 16067 |
| Base 8 | 10358 | 12038 |
| Base 9 | 6619 | 7849 |
| Base 10 | 54110 | 64310 |
| Base 11 | 45211 | 53511 |
| Base 12 | 39112 | 45712 |
| Base 13 | 32813 | 3a613 |
| Base 14 | 2a914 | 33d14 |
| Base 15 | 26115 | 2cd15 |
| Base 16 | 21d16 | 28316 |