1. Numbers
  2. Compare 21149 vs 21161

Compare 21149 vs 21161

Property2114921161
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization21149171 × 30231
Prime factorization211497 × 3023
Divisors count24
Divisors1, 211491, 7, 3023, 21161
Number of properties111
Additive primes1104th 
Chen primes1168th 
Happy primes394th 
Isolated primes1658th 
Long primes904th 
Primes2377th 
Pythagorean primes1180th 
Semiprimes 5364th
Sexy primes (2nd member)719th 
Sophie germain primes344th 
Super primes352nd 
Ulam primes178th 
Roman numberals  
Base 210100101001110121010010101010012
Base 31002000022310020002023
Base 4110221314110222214
Base 51134044511341215
Base 624152562415456
Base 711544271154607
Base 8512358512518
Base 9320089320229
Base 1021149102116110
Base 1114987111499811
Base 12102a512102b512
Base 13981b13982a13
Base 1479c91479d714
Base 1563ee15640b15
Base 16529d1652a916
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