Compare 639851 vs 639860

Property	639851	639860
Type	prime	composite number
Unique factors	1	5
Total factors	1	6
Prime factorization	639851¹	2² × 5¹ × 13¹ × 23¹ × 107¹
Prime factorization	639851	2 × 2 × 5 × 13 × 23 × 107
Divisors count	2	48
Divisors	1, 639851	1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 107, 115, 130, 214, 230, 260, 299, 428, 460, 535, 598, 1070, 1196, 1391, 1495, 2140, 2461, 2782, 2990, 4922, 5564, 5980, 6955, 9844, 12305, 13910, 24610, 27820, 31993, 49220, 63986, 127972, 159965, 319930, 639860
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	10011100001101110100₂
Base 3	1012111201012₃	1012111201112₃
Base 4	2130031223₄	2130031310₄
Base 5	130433401₅	130433420₅
Base 6	21414135₆	21414152₆
Base 7	5303312₇	5303324₇
Base 8	2341553₈	2341564₈
Base 9	1174635₉	1174645₉
Base 10	639851₁₀	639860₁₀
Base 11	3a7803₁₁	3a7811₁₁
Base 12	26a34b₁₂	26a358₁₂
Base 13	195314₁₃	195320₁₃
Base 14	129279₁₄	129284₁₄
Base 15	c98bb₁₅	c98c5₁₅
Base 16	9c36b₁₆	9c374₁₆