1. Numbers
  2. Compare 121997 vs 121998

Compare 121997 vs 121998

Property121997121998
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization121997121 × 31 × 203331
Prime factorization1219972 × 3 × 20333
Divisors count28
Divisors1, 1219971, 2, 3, 6, 20333, 40666, 60999, 121998
Number of properties80
Additive primes4722nd 
Chen primes4978th 
Cousin primes (2nd member)1430th 
Isolated primes8594th 
Left-truncatable primes348th 
Primes11475th 
Pythagorean primes5707th 
Restricted left-truncatable primes32nd 
Roman numberals  
Base 2111011100100011012111011100100011102
Base 3200121001023200121001103
Base 413130203141313020324
Base 5124004425124004435
Base 62340445623404506
Base 71015451710154527
Base 835621583562168
Base 920531292053139
Base 101219971012199810
Base 1183727118372811
Base 125a725125a72612
Base 13436b513436b613
Base 1432661143266214
Base 1526232152623315
Base 161dc8d161dc8e16
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