1. Numbers
  2. Compare 21145 vs 21149

Compare 21145 vs 21149

Property2114521149
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization51 × 42291211491
Prime factorization5 × 422921149
Divisors count42
Divisors1, 5, 4229, 211451, 21149
Number of properties111
Additive primes 1104th
Chen primes 1168th
Happy primes 394th
Isolated primes 1658th
Long primes 904th
Primes 2377th
Pythagorean primes 1180th
Semiprimes5361st 
Sexy primes (2nd member) 719th
Sophie germain primes 344th
Super primes 352nd
Ulam primes 178th
Roman numberals  
Base 210100101001100121010010100111012
Base 31002000011310020000223
Base 4110221214110221314
Base 51134040511340445
Base 624152162415256
Base 711543571154427
Base 8512318512358
Base 9320049320089
Base 1021145102114910
Base 1114983111498711
Base 12102a112102a512
Base 13981713981b13
Base 1479c51479c914
Base 1563ea1563ee15
Base 16529916529d16
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