Compare 642638 vs 642645

Property	642638	642645
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	4
Prime factorization	2¹ × 321319¹	3² × 5¹ × 14281¹
Prime factorization	2 × 321319	3 × 3 × 5 × 14281
Divisors count	4	12
Divisors	1, 2, 321319, 642638	1, 3, 5, 9, 15, 45, 14281, 42843, 71405, 128529, 214215, 642645
Number of properties	1	0
Semiprimes	137694th
Roman numberals
Base 2	10011100111001001110₂	10011100111001010101₂
Base 3	1012122112102₃	1012122112200₃
Base 4	2130321032₄	2130321111₄
Base 5	131031023₅	131031040₅
Base 6	21435102₆	21435113₆
Base 7	5314403₇	5314413₇
Base 8	2347116₈	2347125₈
Base 9	1178472₉	1178480₉
Base 10	642638₁₀	642645₁₀
Base 11	3a9907₁₁	3a9913₁₁
Base 12	26ba92₁₂	26ba99₁₂
Base 13	196679₁₃	196683₁₃
Base 14	12a2aa₁₄	12a2b3₁₄
Base 15	ca628₁₅	ca630₁₅
Base 16	9ce4e₁₆	9ce55₁₆