Compare 201814 vs 201823

Property201814201823
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 10090712018231
Prime factorization2 × 100907201823
Divisors count42
Divisors1, 2, 100907, 2018141, 201823
Number of properties112
Cousin primes (1st member) 2150th
Happy primes 2767th
Harmonic primes 6808th
Long primes 6797th
Lucky primes 2328th
Primes 18130th
Prime quadruplets (2nd member) 54th
Prime quintuplet 2s (2nd member) 15th
Prime triplets (1st member) 845th
Prime triplets (2nd member) 844th
Semiprimes45627th 
Sexy primes (1st member) 4327th
Twin primes (2nd member) 2172nd
Roman numberals  
Base 211000101000101011021100010100010111112
Base 310102021112131010202112213
Base 430110111243011011334
Base 5224242245224242435
Base 64154154641542116
Base 71500244715002567
Base 861212686121378
Base 933674793367579
Base 102018141020182310
Base 11128698111286a611
Base 129895a129896712
Base 1370b221370b2b13
Base 1453794145379d14
Base 153ebe4153ebed15
Base 1631456163145f16
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