Compare 640631 vs 640640

Property	640631	640640
Type	prime	composite number
Unique factors	1	5
Total factors	1	11
Prime factorization	640631¹	2⁷ × 5¹ × 7¹ × 11¹ × 13¹
Prime factorization	640631	2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 13
Divisors count	2	128
Divisors	1, 640631	1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 640, 704, 715, 728, 770, 832, 880, 896, 910, 1001, 1040, 1120, 1144, 1232, 1408, 1430, 1456, 1540, 1664, 1760, 1820, 2002, 2080, 2240, 2288, 2464, 2860, 2912, 3080, 3520, 3640, 4004, 4160, 4480, 4576, 4928, 5005, 5720, 5824, 6160, 7040, 7280, 8008, 8320, 9152, 9856, 10010, 11440, 11648, 12320, 14560, 16016, 18304, 20020, 22880, 24640, 29120, 32032, 40040, 45760, 49280, 58240, 64064, 80080, 91520, 128128, 160160, 320320, 640640
Number of properties	3	0
Isolated primes	40849th
Primes	52122nd
Sophie germain primes	5310th
Roman numberals
Base 2	10011100011001110111₂	10011100011010000000₂
Base 3	1012112210002₃	1012112210102₃
Base 4	2130121313₄	2130122000₄
Base 5	131000011₅	131000030₅
Base 6	21421515₆	21421532₆
Base 7	5305505₇	5305520₇
Base 8	2343167₈	2343200₈
Base 9	1175702₉	1175712₉
Base 10	640631₁₀	640640₁₀
Base 11	3a8352₁₁	3a8360₁₁
Base 12	26a89b₁₂	26a8a8₁₂
Base 13	195794₁₃	1957a0₁₃
Base 14	129675₁₄	129680₁₄
Base 15	c9c3b₁₅	c9c45₁₅
Base 16	9c677₁₆	9c680₁₆