Compare 639851 vs 640727

Property	639851	640727
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639851¹	640727¹
Prime factorization	639851	640727
Divisors count	2	2
Divisors	1, 639851	1, 640727
Number of properties	6	4
Chen primes	20371st	20398th
Isolated primes		40854th
Primes	52064th	52129th
Prime triplets (1st member)	2062nd
Sexy primes (1st member)	11284th	11294th
Sophie germain primes	5305th
Twin primes (1st member)	5631st
Roman numberals
Base 2	10011100001101101011₂	10011100011011010111₂
Base 3	1012111201012₃	1012112220122₃
Base 4	2130031223₄	2130123113₄
Base 5	130433401₅	131000402₅
Base 6	21414135₆	21422155₆
Base 7	5303312₇	5306003₇
Base 8	2341553₈	2343327₈
Base 9	1174635₉	1175818₉
Base 10	639851₁₀	640727₁₀
Base 11	3a7803₁₁	3a842a₁₁
Base 12	26a34b₁₂	26a95b₁₂
Base 13	195314₁₃	195839₁₃
Base 14	129279₁₄	129703₁₄
Base 15	c98bb₁₅	c9ca2₁₅
Base 16	9c36b₁₆	9c6d7₁₆