Compare 642487 vs 642490

Property	642487	642490
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	642487¹	2¹ × 5¹ × 47¹ × 1367¹
Prime factorization	642487	2 × 5 × 47 × 1367
Divisors count	2	16
Divisors	1, 642487	1, 2, 5, 10, 47, 94, 235, 470, 1367, 2734, 6835, 13670, 64249, 128498, 321245, 642490
Number of properties	4	0
Additive primes	20423rd
Chen primes	20439th
Isolated primes	40953rd
Primes	52254th
Roman numberals
Base 2	10011100110110110111₂	10011100110110111010₂
Base 3	1012122022211₃	1012122022221₃
Base 4	2130312313₄	2130312322₄
Base 5	131024422₅	131024430₅
Base 6	21434251₆	21434254₆
Base 7	5314066₇	5314102₇
Base 8	2346667₈	2346672₈
Base 9	1178284₉	1178287₉
Base 10	642487₁₀	642490₁₀
Base 11	3a978a₁₁	3a9792₁₁
Base 12	26b987₁₂	26b98a₁₂
Base 13	196591₁₃	196594₁₃
Base 14	12a1dd₁₄	12a202₁₄
Base 15	ca577₁₅	ca57a₁₅
Base 16	9cdb7₁₆	9cdba₁₆