Compare 639983 vs 639990

Property	639983	639990
Type	prime	composite number
Unique factors	1	5
Total factors	1	6
Prime factorization	639983¹	2¹ × 3² × 5¹ × 13¹ × 547¹
Prime factorization	639983	2 × 3 × 3 × 5 × 13 × 547
Divisors count	2	48
Divisors	1, 639983	1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 547, 585, 1094, 1170, 1641, 2735, 3282, 4923, 5470, 7111, 8205, 9846, 14222, 16410, 21333, 24615, 35555, 42666, 49230, 63999, 71110, 106665, 127998, 213330, 319995, 639990
Number of properties	4	0
Chen primes	20376th
Happy primes	7412th
Isolated primes	40812th
Primes	52073rd
Roman numberals
Base 2	10011100001111101111₂	10011100001111110110₂
Base 3	1012111220002₃	1012111220100₃
Base 4	2130033233₄	2130033312₄
Base 5	130434413₅	130434430₅
Base 6	21414515₆	21414530₆
Base 7	5303561₇	5303601₇
Base 8	2341757₈	2341766₈
Base 9	1174802₉	1174810₉
Base 10	639983₁₀	639990₁₀
Base 11	3a7913₁₁	3a791a₁₁
Base 12	26a43b₁₂	26a446₁₂
Base 13	1953b6₁₃	1953c0₁₃
Base 14	129331₁₄	129338₁₄
Base 15	c9958₁₅	c9960₁₅
Base 16	9c3ef₁₆	9c3f6₁₆