1. Numbers
  2. Compare 163990 vs 163991

Compare 163990 vs 163991

Property163990163991
Typecomposite numberprime
Unique factors41
Total factors51
Prime factorization21 × 51 × 232 × 3111639911
Prime factorization2 × 5 × 23 × 23 × 31163991
Divisors count242
Divisors1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 529, 713, 1058, 1426, 2645, 3565, 5290, 7130, 16399, 32798, 81995, 1639901, 163991
Number of properties09
Additive primes 6148th
Chen primes 6398th
Cousin primes (2nd member) 1811th
Primes 15014th
Prime triplets (1st member) 717th
Prime triplets (2nd member) 716th
Sexy primes (1st member) 3637th
Sophie germain primes 1752nd
Twin primes (1st member) 1838th
Roman numberals  
Base 210100000001001011021010000000100101112
Base 3220222212013220222212023
Base 422000211242200021134
Base 5202214305202214315
Base 63303114633031156
Base 71252051712520527
Base 850022685002278
Base 926885192688529
Base 101639901016399110
Base 111022321110223311
Base 127aa9a127aa9b12
Base 1359848135984913
Base 1443a981443a9914
Base 15338ca15338cb15
Base 1628096162809716
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