Compare 661872 vs 661879
| Property | 661872 | 661879 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 31 × 137891 | 6618791 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 13789 | 661879 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13789, 27578, 41367, 55156, 82734, 110312, 165468, 220624, 330936, 661872 | 1, 661879 |
| Number of properties | 0 | 7 |
| Additive primes | 20966th | |
| Cousin primes (1st member) | 5791st | |
| Primes | 53706th | |
| Prime triplets (2nd member) | 2109th | |
| Prime triplets (3rd member) | 2108th | |
| Sexy primes (2nd member) | 11596th | |
| Twin primes (2nd member) | 5794th | |
| Roman numberals | ||
| Base 2 | 101000011001011100002 | 101000011001011101112 |
| Base 3 | 10201212202103 | 10201212210013 |
| Base 4 | 22012113004 | 22012113134 |
| Base 5 | 1321344425 | 1321400045 |
| Base 6 | 221041206 | 221041316 |
| Base 7 | 54244417 | 54244517 |
| Base 8 | 24145608 | 24145678 |
| Base 9 | 12178239 | 12178319 |
| Base 10 | 66187210 | 66187910 |
| Base 11 | 41230211 | 41230911 |
| Base 12 | 27b04012 | 27b04712 |
| Base 13 | 1a235313 | 1a235a13 |
| Base 14 | 1332c814 | 1332d114 |
| Base 15 | d119c15 | d11a415 |
| Base 16 | a197016 | a197716 |