1. Numbers
  2. Compare 20639 vs 21149

Compare 20639 vs 21149

Property2063921149
Typeprimeprime
Unique factors11
Total factors11
Prime factorization206391211491
Prime factorization2063921149
Divisors count22
Divisors1, 206391, 21149
Number of properties411
Additive primes 1104th
Chen primes1143rd1168th
Happy primes384th394th
Isolated primes 1658th
Long primes 904th
Primes2326th2377th
Pythagorean primes 1180th
Sexy primes (2nd member) 719th
Sophie germain primes 344th
Super primes 352nd
Twin primes (1st member)351st 
Ulam primes 178th
Roman numberals  
Base 210100001001111121010010100111012
Base 31001022102310020000223
Base 4110021334110221314
Base 51130024511340445
Base 623531562415256
Base 711411371154427
Base 8502378512358
Base 9312729320089
Base 1020639102114910
Base 1114563111498711
Base 12bb3b12102a512
Base 13951813981b13
Base 1477431479c914
Base 1561ae1563ee15
Base 16509f16529d16
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