Compare 819985 vs 819989

Property	819985	819989
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	5¹ × 163997¹	819989¹
Prime factorization	5 × 163997	819989
Divisors count	4	2
Divisors	1, 5, 163997, 819985	1, 819989
Number of properties	1	3
Chen primes		25270th
Primes		65415th
Semiprimes	173703rd
Twin primes (1st member)		6894th
Roman numberals
Base 2	11001000001100010001₂	11001000001100010101₂
Base 3	1112122210211₃	1112122210222₃
Base 4	3020030101₄	3020030111₄
Base 5	202214420₅	202214424₅
Base 6	25324121₆	25324125₆
Base 7	6653425₇	6653432₇
Base 8	3101421₈	3101425₈
Base 9	1478724₉	1478728₉
Base 10	819985₁₀	819989₁₀
Base 11	510081₁₁	510085₁₁
Base 12	336641₁₂	336645₁₂
Base 13	2292ca₁₃	229301₁₃
Base 14	174b85₁₄	174b89₁₄
Base 15	112e5a₁₅	112e5e₁₅
Base 16	c8311₁₆	c8315₁₆