Compare 642419 vs 642420

Property	642419	642420
Type	prime	composite number
Unique factors	1	5
Total factors	1	7
Prime factorization	642419¹	2² × 3² × 5¹ × 43¹ × 83¹
Prime factorization	642419	2 × 2 × 3 × 3 × 5 × 43 × 83
Divisors count	2	72
Divisors	1, 642419	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 83, 86, 90, 129, 166, 172, 180, 215, 249, 258, 332, 387, 415, 430, 498, 516, 645, 747, 774, 830, 860, 996, 1245, 1290, 1494, 1548, 1660, 1935, 2490, 2580, 2988, 3569, 3735, 3870, 4980, 7138, 7470, 7740, 10707, 14276, 14940, 17845, 21414, 32121, 35690, 42828, 53535, 64242, 71380, 107070, 128484, 160605, 214140, 321210, 642420
Number of properties	3	0
Chen primes	20438th
Isolated primes	40950th
Primes	52251st
Roman numberals
Base 2	10011100110101110011₂	10011100110101110100₂
Base 3	1012122020022₃	1012122020100₃
Base 4	2130311303₄	2130311310₄
Base 5	131024134₅	131024140₅
Base 6	21434055₆	21434100₆
Base 7	5313641₇	5313642₇
Base 8	2346563₈	2346564₈
Base 9	1178208₉	1178210₉
Base 10	642419₁₀	642420₁₀
Base 11	3a9728₁₁	3a9729₁₁
Base 12	26b92b₁₂	26b930₁₂
Base 13	19653b₁₃	19653c₁₃
Base 14	12a191₁₄	12a192₁₄
Base 15	ca52e₁₅	ca530₁₅
Base 16	9cd73₁₆	9cd74₁₆