Compare 13989 vs 13997

Property1398913997
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization31 × 46631139971
Prime factorization3 × 466313997
Divisors count42
Divisors1, 3, 4663, 139891, 13997
Number of properties15
Additive primes 791st
Chen primes 839th
Primes 1651st
Pythagorean primes 818th
Semiprimes3619th 
Twin primes (1st member) 261st
Roman numberals  
Base 2110110101001012110110101011012
Base 320101201032010121023
Base 43122211431222314
Base 542142454214425
Base 614443361444456
Base 7555337555447
Base 8332458332558
Base 9211639211729
Base 1013989101399710
Base 11a56811a57511
Base 12811912812512
Base 1364a11364a913
Base 14515314515b14
Base 15422915423215
Base 1636a51636ad16
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