Compare 406991 vs 406993

Property	406991	406993
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	13¹ × 31307¹	406993¹
Prime factorization	13 × 31307	406993
Divisors count	4	2
Divisors	1, 13, 31307, 406991	1, 406993
Number of properties	1	4
Additive primes		13582nd
Isolated primes		26645th
Primes		34372nd
Semiprimes	89062nd
Ulam primes		2477th
Roman numberals
Base 2	1100011010111001111₂	1100011010111010001₂
Base 3	202200021202₃	202200021211₃
Base 4	1203113033₄	1203113101₄
Base 5	101010431₅	101010433₅
Base 6	12420115₆	12420121₆
Base 7	3313364₇	3313366₇
Base 8	1432717₈	1432721₈
Base 9	680252₉	680254₉
Base 10	406991₁₀	406993₁₀
Base 11	258862₁₁	258864₁₁
Base 12	17763b₁₂	177641₁₂
Base 13	113330₁₃	113332₁₃
Base 14	a846b₁₄	a846d₁₄
Base 15	808cb₁₅	808cd₁₅
Base 16	635cf₁₆	635d1₁₆