Compare 199930 vs 199931

Property199930199931
Typecomposite numberprime
Unique factors31
Total factors31
Prime factorization21 × 51 × 1999311999311
Prime factorization2 × 5 × 19993199931
Divisors count82
Divisors1, 2, 5, 10, 19993, 39986, 99965, 1999301, 199931
Number of properties06
Chen primes 7524th
Emirps 4276th
Harmonic primes 6757th
Long primes 6736th
Primes 17980th
Twin primes (1st member) 2160th
Roman numberals  
Base 211000011001111101021100001100111110112
Base 310101102021131010110202123
Base 430030332243003033234
Base 5223442105223442115
Base 64141334641413356
Base 71461613714616147
Base 860637286063738
Base 933422493342259
Base 101999301019993110
Base 111272351112723611
Base 129784a129784b12
Base 1370003137000413
Base 1452c0a1452c0b14
Base 153e38a153e38b15
Base 1630cfa1630cfb16
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