Compare 811920 vs 811931
| Property | 811920 | 811931 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 24 × 31 × 51 × 171 × 1991 | 8119311 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 5 × 17 × 199 | 811931 |
| Divisors count | 80 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 199, 204, 240, 255, 272, 340, 398, 408, 510, 597, 680, 796, 816, 995, 1020, 1194, 1360, 1592, 1990, 2040, 2388, 2985, 3184, 3383, 3980, 4080, 4776, 5970, 6766, 7960, 9552, 10149, 11940, 13532, 15920, 16915, 20298, 23880, 27064, 33830, 40596, 47760, 50745, 54128, 67660, 81192, 101490, 135320, 162384, 202980, 270640, 405960, 811920 | 1, 811931 |
| Number of properties | 0 | 5 |
| Additive primes | 25077th | |
| Chen primes | 25058th | |
| Primes | 64827th | |
| Sophie germain primes | 6501st | |
| Twin primes (1st member) | 6837th | |
| Roman numberals | ||
| Base 2 | 110001100011100100002 | 110001100011100110112 |
| Base 3 | 11120202020103 | 11120202021123 |
| Base 4 | 30120321004 | 30120321234 |
| Base 5 | 2014401405 | 2014402115 |
| Base 6 | 252225206 | 252225356 |
| Base 7 | 66210547 | 66211017 |
| Base 8 | 30616208 | 30616338 |
| Base 9 | 14666639 | 14666759 |
| Base 10 | 81192010 | 81193110 |
| Base 11 | 50500a11 | 50501a11 |
| Base 12 | 331a4012 | 331a4b12 |
| Base 13 | 22573513 | 22574313 |
| Base 14 | 171c6414 | 171c7114 |
| Base 15 | 11088015 | 11088b15 |
| Base 16 | c639016 | c639b16 |