1. Numbers
  2. Compare 21149 vs 21155

Compare 21149 vs 21155

Property2114921155
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization21149151 × 42311
Prime factorization211495 × 4231
Divisors count24
Divisors1, 211491, 5, 4231, 21155
Number of properties111
Additive primes1104th 
Chen primes1168th 
Happy primes394th 
Isolated primes1658th 
Long primes904th 
Primes2377th 
Pythagorean primes1180th 
Semiprimes 5363rd
Sexy primes (2nd member)719th 
Sophie germain primes344th 
Super primes352nd 
Ulam primes178th 
Roman numberals  
Base 210100101001110121010010101000112
Base 31002000022310020001123
Base 4110221314110222034
Base 51134044511341105
Base 624152562415356
Base 711544271154517
Base 8512358512438
Base 9320089320159
Base 1021149102115510
Base 1114987111499211
Base 12102a512102ab12
Base 13981b13982413
Base 1479c91479d114
Base 1563ee15640515
Base 16529d1652a316
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