Compare 648638 vs 648640

Property	648638	648640
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	8
Prime factorization	2¹ × 324319¹	2⁶ × 5¹ × 2027¹
Prime factorization	2 × 324319	2 × 2 × 2 × 2 × 2 × 2 × 5 × 2027
Divisors count	4	28
Divisors	1, 2, 324319, 648638	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2027, 4054, 8108, 10135, 16216, 20270, 32432, 40540, 64864, 81080, 129728, 162160, 324320, 648640
Number of properties	1	0
Semiprimes	138894th
Roman numberals
Base 2	10011110010110111110₂	10011110010111000000₂
Base 3	1012221202122₃	1012221202201₃
Base 4	2132112332₄	2132113000₄
Base 5	131224023₅	131224030₅
Base 6	21522542₆	21522544₆
Base 7	5341034₇	5341036₇
Base 8	2362676₈	2362700₈
Base 9	1187678₉	1187681₉
Base 10	648638₁₀	648640₁₀
Base 11	403371₁₁	403373₁₁
Base 12	273452₁₂	273454₁₂
Base 13	199313₁₃	199315₁₃
Base 14	12c554₁₄	12c556₁₄
Base 15	cc2c8₁₅	cc2ca₁₅
Base 16	9e5be₁₆	9e5c0₁₆