Compare 256121 vs 256128

Property256121256128
Typeprimecomposite number
Unique factors14
Total factors110
Prime factorization256121127 × 31 × 231 × 291
Prime factorization2561212 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 29
Divisors count264
Divisors1, 2561211, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 32, 46, 48, 58, 64, 69, 87, 92, 96, 116, 128, 138, 174, 184, 192, 232, 276, 348, 368, 384, 464, 552, 667, 696, 736, 928, 1104, 1334, 1392, 1472, 1856, 2001, 2208, 2668, 2784, 2944, 3712, 4002, 4416, 5336, 5568, 8004, 8832, 10672, 11136, 16008, 21344, 32016, 42688, 64032, 85376, 128064, 256128
Number of properties50
Additive primes9113th 
Cousin primes (2nd member)2633rd 
Harmonic primes8397th 
Isolated primes17268th 
Primes22535th 
Roman numberals  
Base 211111010000111100121111101000100000002
Base 311100002222231110001000203
Base 433220132143322020004
Base 5311434415311440035
Base 65253425652534406
Base 72114465721145057
Base 876417187642008
Base 943028894303069
Base 102561211025612810
Base 111654781116548411
Base 121042751210428012
Base 138c768138c77213
Base 14694a514694ac14
Base 1550d4b1550d5315
Base 163e879163e88016
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