Compare 661079 vs 661091
| Property | 661079 | 661091 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 171 × 371 × 10511 | 6610911 |
| Prime factorization | 17 × 37 × 1051 | 661091 |
| Divisors count | 8 | 2 |
| Divisors | 1, 17, 37, 629, 1051, 17867, 38887, 661079 | 1, 661091 |
| Number of properties | 0 | 11 |
| Additive primes | 20942nd | |
| Chen primes | 20988th | |
| Primes | 53653rd | |
| Prime quadruplets (1st member) | 127th | |
| Prime quintuplet 2s (1st member) | 28th | |
| Prime triplets (1st member) | 2103rd | |
| Sexy primes (1st member) | 11583rd | |
| Sexy prime quadrupletss (1st member) | 237th | |
| Sexy prime triplets (1st member) | 2113th | |
| Super primes | 5469th | |
| Twin primes (1st member) | 5790th | |
| Roman numberals | ||
| Base 2 | 101000010110010101112 | 101000010110011000112 |
| Base 3 | 10201202111023 | 10201202112123 |
| Base 4 | 22011211134 | 22011212034 |
| Base 5 | 1321233045 | 1321233315 |
| Base 6 | 221003156 | 221003356 |
| Base 7 | 54222267 | 54222447 |
| Base 8 | 24131278 | 24131438 |
| Base 9 | 12167429 | 12167559 |
| Base 10 | 66107910 | 66109110 |
| Base 11 | 41175111 | 41176211 |
| Base 12 | 27a69b12 | 27a6ab12 |
| Base 13 | 1a1b9313 | 1a1ba213 |
| Base 14 | 132cbd14 | 132ccb14 |
| Base 15 | d0d1e15 | d0d2b15 |
| Base 16 | a165716 | a166316 |