1. Numbers
  2. Compare 121989 vs 121997

Compare 121989 vs 121997

Property121989121997
Typecomposite numberprime
Unique factors41
Total factors41
Prime factorization31 × 71 × 371 × 15711219971
Prime factorization3 × 7 × 37 × 157121997
Divisors count162
Divisors1, 3, 7, 21, 37, 111, 157, 259, 471, 777, 1099, 3297, 5809, 17427, 40663, 1219891, 121997
Number of properties08
Additive primes 4722nd
Chen primes 4978th
Cousin primes (2nd member) 1430th
Isolated primes 8594th
Left-truncatable primes 348th
Primes 11475th
Pythagorean primes 5707th
Restricted left-truncatable primes 32nd
Roman numberals  
Base 2111011100100001012111011100100011012
Base 3200121000103200121001023
Base 413130201141313020314
Base 5124004245124004425
Base 62340433623404456
Base 71015440710154517
Base 835620583562158
Base 920530392053129
Base 101219891012199710
Base 118371a118372711
Base 125a719125a72512
Base 13436aa13436b513
Base 1432657143266114
Base 1526229152623215
Base 161dc85161dc8d16
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