Compare 211811 vs 212131

Property211811212131
Typeprimeprime
Unique factors11
Total factors11
Prime factorization21181112121311
Prime factorization211811212131
Divisors count22
Divisors1, 2118111, 212131
Number of properties54
Chen primes7918th 
Isolated primes14424th14442nd
Long primes7090th7099th
Primes18961st18985th
Sexy primes (1st member)4497th 
Ulam primes 1364th
Roman numberals  
Base 211001110110110001121100111100101000112
Base 310120211221231012022222013
Base 430323120343033022034
Base 5232342215232420115
Base 64312335643140316
Base 71541345715423137
Base 863554386362438
Base 935248593528819
Base 102118111021213110
Base 111351561113541711
Base 12a26ab12a291712
Base 1375542137572a13
Base 1457295145744314
Base 1542b5b1542cc115
Base 1633b631633ca316
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