Compare 642797 vs 642799

Property642797642799
Typeprimeprime
Unique factors11
Total factors11
Prime factorization64279716427991
Prime factorization642797642799
Divisors count22
Divisors1, 6427971, 642799
Number of properties54
Additive primes 20431st
Chen primes20448th 
Left-truncatable primes541st 
Lucky primes 6003rd
Primes52273rd52274th
Sexy primes (2nd member)11324th 
Twin primes (1st member)5654th 
Twin primes (2nd member) 5654th
Roman numberals  
Base 2100111001110111011012100111001110111011112
Base 31012122202022310121222021013
Base 42130323231421303232334
Base 513103214251310321445
Base 6214355256214355316
Base 75315021753150237
Base 82347355823473578
Base 91178668911786719
Base 106427971064279910
Base 113a9a41113a9a4311
Base 1226bba51226bba712
Base 1319676c1319677113
Base 1412a3811412a38314
Base 15ca6d215ca6d415
Base 169ceed169ceef16
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