Compare 640919 vs 640920

Property	640919	640920
Type	prime	composite number
Unique factors	1	5
Total factors	1	8
Prime factorization	640919¹	2³ × 3¹ × 5¹ × 7² × 109¹
Prime factorization	640919	2 × 2 × 2 × 3 × 5 × 7 × 7 × 109
Divisors count	2	96
Divisors	1, 640919	1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 109, 120, 140, 147, 168, 196, 210, 218, 245, 280, 294, 327, 392, 420, 436, 490, 545, 588, 654, 735, 763, 840, 872, 980, 1090, 1176, 1308, 1470, 1526, 1635, 1960, 2180, 2289, 2616, 2940, 3052, 3270, 3815, 4360, 4578, 5341, 5880, 6104, 6540, 7630, 9156, 10682, 11445, 13080, 15260, 16023, 18312, 21364, 22890, 26705, 30520, 32046, 42728, 45780, 53410, 64092, 80115, 91560, 106820, 128184, 160230, 213640, 320460, 640920
Number of properties	5	0
Additive primes	20378th
Chen primes	20405th
Isolated primes	40868th
Primes	52143rd
Ulam primes	3821st
Roman numberals
Base 2	10011100011110010111₂	10011100011110011000₂
Base 3	1012120011202₃	1012120011210₃
Base 4	2130132113₄	2130132120₄
Base 5	131002134₅	131002140₅
Base 6	21423115₆	21423120₆
Base 7	5306366₇	5306400₇
Base 8	2343627₈	2343630₈
Base 9	1176152₉	1176153₉
Base 10	640919₁₀	640920₁₀
Base 11	3a8594₁₁	3a8595₁₁
Base 12	26aa9b₁₂	26aaa0₁₂
Base 13	195956₁₃	195957₁₃
Base 14	1297dd₁₄	129800₁₄
Base 15	c9d7e₁₅	c9d80₁₅
Base 16	9c797₁₆	9c798₁₆