Compare 6989 vs 6991

Property	6989	6991
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	29¹ × 241¹	6991¹
Prime factorization	29 × 241	6991
Divisors count	4	2
Divisors	1, 29, 241, 6989	1, 6991
Number of properties	1	3
Isolated primes		576th
Primes		899th
Semiprimes	1864th
Sexy primes (1st member)		317th
Roman numberals
Base 2	1101101001101₂	1101101001111₂
Base 3	100120212₃	100120221₃
Base 4	1231031₄	1231033₄
Base 5	210424₅	210431₅
Base 6	52205₆	52211₆
Base 7	26243₇	26245₇
Base 8	15515₈	15517₈
Base 9	10525₉	10527₉
Base 10	6989₁₀	6991₁₀
Base 11	5284₁₁	5286₁₁
Base 12	4065₁₂	4067₁₂
Base 13	3248₁₃	324a₁₃
Base 14	2793₁₄	2795₁₄
Base 15	210e₁₅	2111₁₅
Base 16	1b4d₁₆	1b4f₁₆