Compare 664121 vs 665051

Property664121665051
Typeprimeprime
Unique factors11
Total factors11
Prime factorization66412116650511
Prime factorization664121665051
Divisors count22
Divisors1, 6641211, 665051
Number of properties68
Additive primes 21059th
Chen primes21072nd21102nd
Cousin primes (2nd member)5810th5817th
Happy primes7639th 
Primes53878th53951st
Prime triplets (2nd member)2119th2124th
Sophie germain primes 5488th
Super primes 5497th
Twin primes (1st member)5817th5825th
Roman numberals  
Base 2101000100010001110012101000100101110110112
Base 31020202000002310202100211123
Base 42202020321422021131234
Base 513222244151322402015
Base 6221223456221305356
Base 75434133754366327
Base 82421071824227338
Base 91222002912232459
Base 106641211066505110
Base 11413a671141473211
Base 122803b512280a4b12
Base 131a3393131a392a13
Base 141340531413451914
Base 15d1b9b15d20bb15
Base 16a223916a25db16
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