1. Numbers
  2. Compare 128971 vs 129439

Compare 128971 vs 129439

Property128971129439
Typeprimeprime
Unique factors11
Total factors11
Prime factorization12897111294391
Prime factorization128971129439
Divisors count22
Divisors1, 1289711, 129439
Number of properties65
Cousin primes (1st member) 1504th
Emirps2434th 
Happy primes 1884th
Isolated primes 9091st
Long primes4527th 
Lucky primes1582nd1589th
Primes12072nd12112th
Twin primes (2nd member)1506th 
Ulam primes845th 
Roman numberals  
Base 2111110111110010112111111001100111112
Base 3201122202013201201200013
Base 413313302341332121334
Base 5131113415131202245
Base 62433031624351316
Base 71045003710462427
Base 837371383746378
Base 921582192165019
Base 101289711012943910
Base 1188997118928211
Base 12627771262aa712
Base 134691b1346bbb13
Base 1435003143525914
Base 1528331152854415
Base 161f7cb161f99f16
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