1. Numbers
  2. Compare 201814 vs 201821

Compare 201814 vs 201821

Property201814201821
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 10090712018211
Prime factorization2 × 100907201821
Divisors count42
Divisors1, 2, 100907, 2018141, 201821
Number of properties110
Chen primes 7581st
Long primes 6796th
Primes 18129th
Prime quadruplets (1st member) 54th
Prime quintuplet 2s (1st member) 15th
Prime triplets (1st member) 844th
Pythagorean primes 9050th
Semiprimes45627th 
Sexy primes (1st member) 4326th
Sexy prime triplets (1st member) 870th
Twin primes (1st member) 2172nd
Roman numberals  
Base 211000101000101011021100010100010111012
Base 310102021112131010202112123
Base 430110111243011011314
Base 5224242245224242415
Base 64154154641542056
Base 71500244715002547
Base 861212686121358
Base 933674793367559
Base 102018141020182110
Base 11128698111286a411
Base 129895a129896512
Base 1370b221370b2913
Base 1453794145379b14
Base 153ebe4153ebeb15
Base 1631456163145d16
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