Compare 6990 vs 6991

Property	6990	6991
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 3¹ × 5¹ × 233¹	6991¹
Prime factorization	2 × 3 × 5 × 233	6991
Divisors count	16	2
Divisors	1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 3495, 6990	1, 6991
Number of properties	0	3
Isolated primes		576th
Primes		899th
Sexy primes (1st member)		317th
Roman numberals
Base 2	1101101001110₂	1101101001111₂
Base 3	100120220₃	100120221₃
Base 4	1231032₄	1231033₄
Base 5	210430₅	210431₅
Base 6	52210₆	52211₆
Base 7	26244₇	26245₇
Base 8	15516₈	15517₈
Base 9	10526₉	10527₉
Base 10	6990₁₀	6991₁₀
Base 11	5285₁₁	5286₁₁
Base 12	4066₁₂	4067₁₂
Base 13	3249₁₃	324a₁₃
Base 14	2794₁₄	2795₁₄
Base 15	2110₁₅	2111₁₅
Base 16	1b4e₁₆	1b4f₁₆