1. Numbers
  2. Compare 980 vs 991

Compare 980 vs 991

Property980991
Typecomposite numberprime
Unique factors31
Total factors51
Prime factorization22 × 51 × 729911
Prime factorization2 × 2 × 5 × 7 × 7991
Divisors count182
Divisors1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 9801, 991
Number of properties010
Additive primes 89th
Chen primes 115th
Emirps 36th
Isolated primes 98th
Lucky primes 42nd
Primes 167th
Sexy primes (1st member) 74th
Solinas primes 43rd
Super primes 39th
Ulam primes 18th
Roman numberalsCMLXXXCMXCI
Base 21111010100211110111112
Base 31100022311002013
Base 4331104331334
Base 5124105124315
Base 64312643316
Base 72600726147
Base 81724817378
Base 91308913219
Base 109801099110
Base 118111182111
Base 12698126a712
Base 135a5135b313
Base 145001450b14
Base 154551546115
Base 163d4163df16
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