Compare 639977 vs 639980

Property	639977	639980
Type	composite number	composite number
Unique factors	3	4
Total factors	3	5
Prime factorization	13¹ × 19¹ × 2591¹	2² × 5¹ × 11¹ × 2909¹
Prime factorization	13 × 19 × 2591	2 × 2 × 5 × 11 × 2909
Divisors count	8	24
Divisors	1, 13, 19, 247, 2591, 33683, 49229, 639977	1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2909, 5818, 11636, 14545, 29090, 31999, 58180, 63998, 127996, 159995, 319990, 639980
Number of properties	0	0
Roman numberals
Base 2	10011100001111101001₂	10011100001111101100₂
Base 3	1012111212212₃	1012111212222₃
Base 4	2130033221₄	2130033230₄
Base 5	130434402₅	130434410₅
Base 6	21414505₆	21414512₆
Base 7	5303552₇	5303555₇
Base 8	2341751₈	2341754₈
Base 9	1174785₉	1174788₉
Base 10	639977₁₀	639980₁₀
Base 11	3a7908₁₁	3a7910₁₁
Base 12	26a435₁₂	26a438₁₂
Base 13	1953b0₁₃	1953b3₁₃
Base 14	129329₁₄	12932c₁₄
Base 15	c9952₁₅	c9955₁₅
Base 16	9c3e9₁₆	9c3ec₁₆