Compare 201989 vs 202001

Property201989202001
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization191 × 1063112020011
Prime factorization19 × 10631202001
Divisors count42
Divisors1, 19, 10631, 2019891, 202001
Number of properties17
Additive primes 7301st
Chen primes 7586th
Cousin primes (2nd member) 2155th
Isolated primes 13804th
Primes 18149th
Pythagorean primes 9061st
Semiprimes45655th 
Super primes 2081st
Roman numberals  
Base 211000101010000010121100010101000100012
Base 310102100200231010210021123
Base 430111001143011101014
Base 5224304245224310015
Base 64155045641551056
Base 71500614715006327
Base 861240586124218
Base 933706293370759
Base 102019891020200110
Base 111288371112884811
Base 1298a851298a9512
Base 1370c281370c3713
Base 145387b145388914
Base 153ecae153ecbb15
Base 1631505163151116
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