Compare 640216 vs 640221

Property	640216	640221
Type	composite number	semiprime
Unique factors	3	2
Total factors	5	2
Prime factorization	2³ × 79¹ × 1013¹	3¹ × 213407¹
Prime factorization	2 × 2 × 2 × 79 × 1013	3 × 213407
Divisors count	16	4
Divisors	1, 2, 4, 8, 79, 158, 316, 632, 1013, 2026, 4052, 8104, 80027, 160054, 320108, 640216	1, 3, 213407, 640221
Number of properties	0	1
Semiprimes		137190th
Roman numberals
Base 2	10011100010011011000₂	10011100010011011101₂
Base 3	1012112012201₃	1012112012220₃
Base 4	2130103120₄	2130103131₄
Base 5	130441331₅	130441341₅
Base 6	21415544₆	21415553₆
Base 7	5304343₇	5304351₇
Base 8	2342330₈	2342335₈
Base 9	1175181₉	1175186₉
Base 10	640216₁₀	640221₁₀
Base 11	3a8005₁₁	3a800a₁₁
Base 12	26a5b4₁₂	26a5b9₁₂
Base 13	195535₁₃	19553a₁₃
Base 14	12945a₁₄	129461₁₄
Base 15	c9a61₁₅	c9a66₁₅
Base 16	9c4d8₁₆	9c4dd₁₆