1. Numbers
  2. Compare 128971 vs 129121

Compare 128971 vs 129121

Property128971129121
Typeprimeprime
Unique factors11
Total factors11
Prime factorization12897111291211
Prime factorization128971129121
Divisors count22
Divisors1, 1289711, 129121
Number of properties65
Emirps2434th2438th
Long primes4527th 
Lucky primes1582nd 
Primes12072nd12088th
Pythagorean primes 6013th
Sexy primes (1st member) 3000th
Twin primes (2nd member)1506th1508th
Ulam primes845th 
Roman numberals  
Base 2111110111110010112111111000011000012
Base 3201122202013201200100213
Base 413313302341332012014
Base 5131113415131124415
Base 62433031624334416
Base 71045003710453067
Base 837371383741418
Base 921582192161079
Base 101289711012912110
Base 1188997118901311
Base 1262777126288112
Base 134691b1346a0513
Base 143500314350ad14
Base 152833115283d115
Base 161f7cb161f86116
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