Compare 639491 vs 640151

Property	639491	640151
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639491¹	640151¹
Prime factorization	639491	640151
Divisors count	2	2
Divisors	1, 639491	1, 640151
Number of properties	7	5
Additive primes		20357th
Chen primes	20357th	20384th
Cousin primes (2nd member)	5627th
Good primes	1983rd
Happy primes		7414th
Primes	52035th	52089th
Prime triplets (2nd member)	2060th
Sophie germain primes	5301st
Twin primes (1st member)	5627th	5633rd
Roman numberals
Base 2	10011100001000000011₂	10011100010010010111₂
Base 3	1012111012212₃	1012112010022₃
Base 4	2130020003₄	2130102113₄
Base 5	130430431₅	130441101₅
Base 6	21412335₆	21415355₆
Base 7	5302256₇	5304221₇
Base 8	2341003₈	2342227₈
Base 9	1174185₉	1175108₉
Base 10	639491₁₀	640151₁₀
Base 11	3a7506₁₁	3a7a56₁₁
Base 12	26a0ab₁₂	26a55b₁₂
Base 13	1950c8₁₃	1954b5₁₃
Base 14	12909d₁₄	129411₁₄
Base 15	c972b₁₅	c9a1b₁₅
Base 16	9c203₁₆	9c497₁₆