Compare 620639 vs 620640

Property	620639	620640
Type	prime	composite number
Unique factors	1	4
Total factors	1	9
Prime factorization	620639¹	2⁵ × 3² × 5¹ × 431¹
Prime factorization	620639	2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 431
Divisors count	2	72
Divisors	1, 620639	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 431, 480, 720, 862, 1293, 1440, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 13792, 15516, 17240, 19395, 20688, 25860, 31032, 34480, 38790, 41376, 51720, 62064, 68960, 77580, 103440, 124128, 155160, 206880, 310320, 620640
Number of properties	3	0
Chen primes	19854th
Isolated primes	39698th
Primes	50661st
Roman numberals
Base 2	10010111100001011111₂	10010111100001100000₂
Base 3	1011112100122₃	1011112100200₃
Base 4	2113201133₄	2113201200₄
Base 5	124330024₅	124330030₅
Base 6	21145155₆	21145200₆
Base 7	5163305₇	5163306₇
Base 8	2274137₈	2274140₈
Base 9	1145318₉	1145320₉
Base 10	620639₁₀	620640₁₀
Base 11	394328₁₁	394329₁₁
Base 12	25b1bb₁₂	25b200₁₂
Base 13	189656₁₃	189657₁₃
Base 14	122275₁₄	122276₁₄
Base 15	c3d5e₁₅	c3d60₁₅
Base 16	9785f₁₆	97860₁₆