Compare 520018 vs 520019

Property520018520019
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 26000915200191
Prime factorization2 × 260009520019
Divisors count42
Divisors1, 2, 260009, 5200181, 520019
Number of properties15
Additive primes 16907th
Chen primes 17057th
Primes 43062nd
Safe primes 2540th
Semiprimes112428th 
Twin primes (1st member) 4713th
Roman numberals  
Base 21111110111101010010211111101111010100112
Base 322210202222132221020222223
Base 41332331102413323311034
Base 511312003351131200345
Base 6150512546150512556
Base 74264042742640437
Base 81767522817675238
Base 987228798722889
Base 105200181052001910
Base 113257741132577511
Base 12210b2a12210b2b12
Base 131529051315290613
Base 14d772214d772314
Base 15a412d15a412e15
Base 167ef52167ef5316
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