1. Numbers
  2. Compare 121997 vs 122009

Compare 121997 vs 122009

Property121997122009
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization1219971171 × 71771
Prime factorization12199717 × 7177
Divisors count24
Divisors1, 1219971, 17, 7177, 122009
Number of properties81
Additive primes4722nd 
Chen primes4978th 
Cousin primes (2nd member)1430th 
Isolated primes8594th 
Left-truncatable primes348th 
Primes11475th 
Pythagorean primes5707th 
Restricted left-truncatable primes32nd 
Semiprimes 28274th
Roman numberals  
Base 2111011100100011012111011100100110012
Base 3200121001023200121002123
Base 413130203141313021214
Base 5124004425124010145
Base 62340445623405056
Base 71015451710154667
Base 835621583562318
Base 920531292053259
Base 101219971012200910
Base 1183727118373811
Base 125a725125a73512
Base 13436b513436c413
Base 1432661143266d14
Base 1526232152623e15
Base 161dc8d161dc9916
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