Compare 221200 vs 221209
| Property | 221200 | 221209 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 24 × 52 × 71 × 791 | 2212091 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 5 × 7 × 79 | 221209 |
| Divisors count | 60 | 2 |
| Divisors | 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 175, 200, 280, 316, 350, 395, 400, 553, 560, 632, 700, 790, 1106, 1264, 1400, 1580, 1975, 2212, 2765, 2800, 3160, 3950, 4424, 5530, 6320, 7900, 8848, 11060, 13825, 15800, 22120, 27650, 31600, 44240, 55300, 110600, 221200 | 1, 221209 |
| Number of properties | 0 | 7 |
| Happy primes | 2995th | |
| Harmonic primes | 7397th | |
| Isolated primes | 15036th | |
| Primes | 19713th | |
| Pythagorean primes | 9835th | |
| Sexy primes (2nd member) | 4662nd | |
| Sexy prime triplets (3rd member) | 930th | |
| Roman numberals | ||
| Base 2 | 1101100000000100002 | 1101100000000110012 |
| Base 3 | 1020201021213 | 1020201022213 |
| Base 4 | 3120001004 | 3120001214 |
| Base 5 | 240343005 | 240343145 |
| Base 6 | 44240246 | 44240416 |
| Base 7 | 16106207 | 16106327 |
| Base 8 | 6600208 | 6600318 |
| Base 9 | 3663779 | 3663879 |
| Base 10 | 22120010 | 22120910 |
| Base 11 | 14121111 | 14121a11 |
| Base 12 | a801412 | a802112 |
| Base 13 | 798b513 | 798c113 |
| Base 14 | 5a88014 | 5a88914 |
| Base 15 | 4581a15 | 4582415 |
| Base 16 | 3601016 | 3601916 |