Compare 639949 vs 639960

Property	639949	639960
Type	prime	composite number
Unique factors	1	4
Total factors	1	6
Prime factorization	639949¹	2³ × 3¹ × 5¹ × 5333¹
Prime factorization	639949	2 × 2 × 2 × 3 × 5 × 5333
Divisors count	2	32
Divisors	1, 639949	1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5333, 10666, 15999, 21332, 26665, 31998, 42664, 53330, 63996, 79995, 106660, 127992, 159990, 213320, 319980, 639960
Number of properties	3	0
Isolated primes	40810th
Primes	52071st
Ulam primes	3816th
Roman numberals
Base 2	10011100001111001101₂	10011100001111011000₂
Base 3	1012111211211₃	1012111212020₃
Base 4	2130033031₄	2130033120₄
Base 5	130434244₅	130434320₅
Base 6	21414421₆	21414440₆
Base 7	5303512₇	5303526₇
Base 8	2341715₈	2341730₈
Base 9	1174754₉	1174766₉
Base 10	639949₁₀	639960₁₀
Base 11	3a7892₁₁	3a78a2₁₁
Base 12	26a411₁₂	26a420₁₂
Base 13	19538b₁₃	195399₁₃
Base 14	129309₁₄	129316₁₄
Base 15	c9934₁₅	c9940₁₅
Base 16	9c3cd₁₆	9c3d8₁₆