1. Numbers
  2. Compare 128971 vs 129221

Compare 128971 vs 129221

Property128971129221
Typeprimeprime
Unique factors11
Total factors11
Prime factorization12897111292211
Prime factorization128971129221
Divisors count22
Divisors1, 1289711, 129221
Number of properties67
Additive primes 4986th
Chen primes 5229th
Emirps2434th2441st
Long primes4527th 
Lucky primes1582nd 
Primes12072nd12095th
Pythagorean primes 6018th
Sophie germain primes 1450th
Twin primes (1st member) 1509th
Twin primes (2nd member)1506th 
Ulam primes845th 
Roman numberals  
Base 2111110111110010112111111000110001012
Base 3201122202013201200202223
Base 413313302341332030114
Base 5131113415131133415
Base 62433031624341256
Base 71045003710455117
Base 837371383743058
Base 921582192162289
Base 101289711012922110
Base 118899711890a411
Base 1262777126294512
Base 134691b1346a8113
Base 1435003143514114
Base 1528331152844b15
Base 161f7cb161f8c516
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