Compare 639851 vs 639854

Property	639851	639854
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	639851¹	2¹ × 319927¹
Prime factorization	639851	2 × 319927
Divisors count	2	4
Divisors	1, 639851	1, 2, 319927, 639854
Number of properties	6	1
Chen primes	20371st
Primes	52064th
Prime triplets (1st member)	2062nd
Semiprimes		137109th
Sexy primes (1st member)	11284th
Sophie germain primes	5305th
Twin primes (1st member)	5631st
Roman numberals
Base 2	10011100001101101011₂	10011100001101101110₂
Base 3	1012111201012₃	1012111201022₃
Base 4	2130031223₄	2130031232₄
Base 5	130433401₅	130433404₅
Base 6	21414135₆	21414142₆
Base 7	5303312₇	5303315₇
Base 8	2341553₈	2341556₈
Base 9	1174635₉	1174638₉
Base 10	639851₁₀	639854₁₀
Base 11	3a7803₁₁	3a7806₁₁
Base 12	26a34b₁₂	26a352₁₂
Base 13	195314₁₃	195317₁₃
Base 14	129279₁₄	12927c₁₄
Base 15	c98bb₁₅	c98be₁₅
Base 16	9c36b₁₆	9c36e₁₆