Compare 639964 vs 639971

Property	639964	639971
Type	composite number	semiprime
Unique factors	4	2
Total factors	5	2
Prime factorization	2² × 13¹ × 31¹ × 397¹	683¹ × 937¹
Prime factorization	2 × 2 × 13 × 31 × 397	683 × 937
Divisors count	24	4
Divisors	1, 2, 4, 13, 26, 31, 52, 62, 124, 397, 403, 794, 806, 1588, 1612, 5161, 10322, 12307, 20644, 24614, 49228, 159991, 319982, 639964	1, 683, 937, 639971
Number of properties	0	1
Semiprimes		137140th
Roman numberals
Base 2	10011100001111011100₂	10011100001111100011₂
Base 3	1012111212101₃	1012111212122₃
Base 4	2130033130₄	2130033203₄
Base 5	130434324₅	130434341₅
Base 6	21414444₆	21414455₆
Base 7	5303533₇	5303543₇
Base 8	2341734₈	2341743₈
Base 9	1174771₉	1174778₉
Base 10	639964₁₀	639971₁₀
Base 11	3a78a6₁₁	3a7902₁₁
Base 12	26a424₁₂	26a42b₁₂
Base 13	1953a0₁₃	1953a7₁₃
Base 14	12931a₁₄	129323₁₄
Base 15	c9944₁₅	c994b₁₅
Base 16	9c3dc₁₆	9c3e3₁₆