Compare 645242 vs 645247

Property	645242	645247
Type	composite number	semiprime
Unique factors	4	2
Total factors	5	2
Prime factorization	2¹ × 13² × 23¹ × 83¹	73¹ × 8839¹
Prime factorization	2 × 13 × 13 × 23 × 83	73 × 8839
Divisors count	24	4
Divisors	1, 2, 13, 23, 26, 46, 83, 166, 169, 299, 338, 598, 1079, 1909, 2158, 3818, 3887, 7774, 14027, 24817, 28054, 49634, 322621, 645242	1, 73, 8839, 645247
Number of properties	0	1
Semiprimes		138219th
Roman numberals
Base 2	10011101100001111010₂	10011101100001111111₂
Base 3	1012210002212₃	1012210010001₃
Base 4	2131201322₄	2131201333₄
Base 5	131121432₅	131121442₅
Base 6	21455122₆	21455131₆
Base 7	5325113₇	5325121₇
Base 8	2354172₈	2354177₈
Base 9	1183085₉	1183101₉
Base 10	645242₁₀	645247₁₀
Base 11	400864₁₁	400869₁₁
Base 12	2714a2₁₂	2714a7₁₂
Base 13	197900₁₃	197905₁₃
Base 14	12b20a₁₄	12b211₁₄
Base 15	cb2b2₁₅	cb2b7₁₅
Base 16	9d87a₁₆	9d87f₁₆