Compare 201821 vs 268811

Property201821268811
Typeprimeprime
Unique factors11
Total factors11
Prime factorization20182112688111
Prime factorization201821268811
Divisors count22
Divisors1, 2018211, 268811
Number of properties1010
Chen primes7581st9703rd
Harmonic primes 8784th
Long primes6796th8808th
Primes18129th23544th
Prime quadruplets (1st member)54th64th
Prime quintuplet 2s (1st member)15th18th
Prime triplets (1st member)844th1063rd
Pythagorean primes9050th 
Sexy primes (1st member)4326th5484th
Sexy prime triplets (1st member)870th1080th
Twin primes (1st member)2172nd2745th
Roman numberals  
Base 2110001010001011101210000011010000010112
Base 310102021121231111222012223
Base 4301101131410012200234
Base 5224242415321002215
Base 64154205654322556
Base 71500254721664647
Base 8612135810150138
Base 933675594486589
Base 102018211026881110
Base 111286a411173a6411
Base 12989651210b68b12
Base 1370b29139547a13
Base 145379b146dd6b14
Base 153ebeb15549ab15
Base 163145d1641a0b16
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