1. Numbers
  2. Compare 128939 vs 129457

Compare 128939 vs 129457

Property128939129457
Typeprimeprime
Unique factors11
Total factors11
Prime factorization12893911294571
Prime factorization128939129457
Divisors count22
Divisors1, 1289391, 129457
Number of properties610
Chen primes5217th 
Cousin primes (1st member) 1505th
Emirps 2449th
Happy primes 1885th
Harmonic primes 4561st
Isolated primes 9094th
Long primes4526th4542nd
Lucky primes 1590th
Primes12067th12115th
Pythagorean primes 6029th
Sophie germain primes1446th 
Twin primes (1st member)1505th 
Ulam primes843rd851st
Roman numberals  
Base 2111110111101010112111111001101100012
Base 3201122121123201201202013
Base 413313222341332123014
Base 5131112245131203125
Base 62432535624352016
Base 71044626710462667
Base 837365383746618
Base 921577592165219
Base 101289391012945710
Base 1188968118929911
Base 126274b1262b0112
Base 13468c51346c0313
Base 1434dbd143526d14
Base 152830e152855715
Base 161f7ab161f9b116
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