1. Numbers
  2. Compare 128717 vs 128939

Compare 128717 vs 128939

Property128717128939
Typeprimeprime
Unique factors11
Total factors11
Prime factorization12871711289391
Prime factorization128717128939
Divisors count22
Divisors1, 1287171, 128939
Number of properties46
Chen primes5209th5217th
Isolated primes9048th 
Long primes 4526th
Primes12051st12067th
Pythagorean primes5993rd 
Sophie germain primes 1446th
Twin primes (1st member) 1505th
Ulam primes 843rd
Roman numberals  
Base 2111110110110011012111110111101010112
Base 3201121200223201122121123
Base 413312303141331322234
Base 5131043325131112245
Base 62431525624325356
Base 71044161710446267
Base 837331583736538
Base 921550892157759
Base 101287171012893910
Base 1188786118896811
Base 12625a5126274b12
Base 134678413468c513
Base 1434ca11434dbd14
Base 1528212152830e15
Base 161f6cd161f7ab16
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