Compare 999987 vs 999999

Property	999987	999999
Type	composite number	composite number
Unique factors	3	5
Total factors	3	7
Prime factorization	3¹ × 257¹ × 1297¹	3³ × 7¹ × 11¹ × 13¹ × 37¹
Prime factorization	3 × 257 × 1297	3 × 3 × 3 × 7 × 11 × 13 × 37
Divisors count	8	64
Divisors	1, 3, 257, 771, 1297, 3891, 333329, 999987	1, 3, 7, 9, 11, 13, 21, 27, 33, 37, 39, 63, 77, 91, 99, 111, 117, 143, 189, 231, 259, 273, 297, 333, 351, 407, 429, 481, 693, 777, 819, 999, 1001, 1221, 1287, 1443, 2079, 2331, 2457, 2849, 3003, 3367, 3663, 3861, 4329, 5291, 6993, 8547, 9009, 10101, 10989, 12987, 15873, 25641, 27027, 30303, 37037, 47619, 76923, 90909, 111111, 142857, 333333, 999999
Number of properties	0	0
Roman numberals
Base 2	11110100001000110011₂	11110100001000111111₂
Base 3	1212210201120₃	1212210202000₃
Base 4	3310020303₄	3310020333₄
Base 5	223444422₅	223444444₅
Base 6	33233323₆	33233343₆
Base 7	11333262₇	11333310₇
Base 8	3641063₈	3641077₈
Base 9	1783646₉	1783660₉
Base 10	999987₁₀	999999₁₀
Base 11	62333a₁₁	623350₁₁
Base 12	402843₁₂	402853₁₂
Base 13	290211₁₃	290220₁₃
Base 14	1c05d9₁₄	1c0607₁₄
Base 15	14b45c₁₅	14b469₁₅
Base 16	f4233₁₆	f423f₁₆