Compare 381987 vs 381989

Property381987381989
Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization32 × 4244313819891
Prime factorization3 × 3 × 42443381989
Divisors count62
Divisors1, 3, 9, 42443, 127329, 3819871, 381989
Number of properties03
Chen primes 13141st
Primes 32447th
Twin primes (1st member) 3662nd
Roman numberals  
Base 21011101010000100011210111010100001001012
Base 320110122220032011012222023
Base 41131100203411311002114
Base 5442104225442104245
Base 6121042436121042456
Base 73150444731504467
Base 81352043813520458
Base 964188096418829
Base 103819871038198910
Base 11240aa111240aa311
Base 121650831216508512
Base 13104b3813104b3a13
Base 149d2cb149d2cd14
Base 15782ac15782ae15
Base 165d423165d42516
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