Compare 99990 vs 99991

Property	99990	99991
Type	composite number	prime
Unique factors	5	1
Total factors	6	1
Prime factorization	2¹ × 3² × 5¹ × 11¹ × 101¹	99991¹
Prime factorization	2 × 3 × 3 × 5 × 11 × 101	99991
Divisors count	48	2
Divisors	1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 101, 110, 165, 198, 202, 303, 330, 495, 505, 606, 909, 990, 1010, 1111, 1515, 1818, 2222, 3030, 3333, 4545, 5555, 6666, 9090, 9999, 11110, 16665, 19998, 33330, 49995, 99990	1, 99991
Number of properties	0	5
Additive primes		3883rd
Chen primes		4234th
Harmonic primes		3622nd
Primes		9592nd
Twin primes (2nd member)		1224th
Roman numberals
Base 2	11000011010010110₂	11000011010010111₂
Base 3	12002011100₃	12002011101₃
Base 4	120122112₄	120122113₄
Base 5	11144430₅	11144431₅
Base 6	2050530₆	2050531₆
Base 7	564342₇	564343₇
Base 8	303226₈	303227₈
Base 9	162140₉	162141₉
Base 10	99990₁₀	99991₁₀
Base 11	69140₁₁	69141₁₁
Base 12	49a46₁₂	49a47₁₂
Base 13	36687₁₃	36688₁₃
Base 14	28622₁₄	28623₁₄
Base 15	1e960₁₅	1e961₁₅
Base 16	18696₁₆	18697₁₆