Compare 639679 vs 639851

Property	639679	639851
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639679¹	639851¹
Prime factorization	639679	639851
Divisors count	2	2
Divisors	1, 639679	1, 639851
Number of properties	2	6
Chen primes		20371st
Primes	52052nd	52064th
Prime triplets (1st member)		2062nd
Sexy primes (1st member)		11284th
Sophie germain primes		5305th
Twin primes (1st member)		5631st
Twin primes (2nd member)	5629th
Roman numberals
Base 2	10011100001010111111₂	10011100001101101011₂
Base 3	1012111110211₃	1012111201012₃
Base 4	2130022333₄	2130031223₄
Base 5	130432204₅	130433401₅
Base 6	21413251₆	21414135₆
Base 7	5302645₇	5303312₇
Base 8	2341277₈	2341553₈
Base 9	1174424₉	1174635₉
Base 10	639679₁₀	639851₁₀
Base 11	3a7667₁₁	3a7803₁₁
Base 12	26a227₁₂	26a34b₁₂
Base 13	195211₁₃	195314₁₃
Base 14	129195₁₄	129279₁₄
Base 15	c9804₁₅	c98bb₁₅
Base 16	9c2bf₁₆	9c36b₁₆