Compare 639851 vs 639856

Property	639851	639856
Type	prime	composite number
Unique factors	1	4
Total factors	1	7
Prime factorization	639851¹	2⁴ × 7¹ × 29¹ × 197¹
Prime factorization	639851	2 × 2 × 2 × 2 × 7 × 29 × 197
Divisors count	2	40
Divisors	1, 639851	1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 197, 203, 232, 394, 406, 464, 788, 812, 1379, 1576, 1624, 2758, 3152, 3248, 5516, 5713, 11032, 11426, 22064, 22852, 39991, 45704, 79982, 91408, 159964, 319928, 639856
Number of properties	6	0
Chen primes	20371st
Primes	52064th
Prime triplets (1st member)	2062nd
Sexy primes (1st member)	11284th
Sophie germain primes	5305th
Twin primes (1st member)	5631st
Roman numberals
Base 2	10011100001101101011₂	10011100001101110000₂
Base 3	1012111201012₃	1012111201101₃
Base 4	2130031223₄	2130031300₄
Base 5	130433401₅	130433411₅
Base 6	21414135₆	21414144₆
Base 7	5303312₇	5303320₇
Base 8	2341553₈	2341560₈
Base 9	1174635₉	1174641₉
Base 10	639851₁₀	639856₁₀
Base 11	3a7803₁₁	3a7808₁₁
Base 12	26a34b₁₂	26a354₁₂
Base 13	195314₁₃	195319₁₃
Base 14	129279₁₄	129280₁₄
Base 15	c98bb₁₅	c98c1₁₅
Base 16	9c36b₁₆	9c370₁₆