Compare 668021 vs 668029

Property	668021	668029
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	19¹ × 35159¹	668029¹
Prime factorization	19 × 35159	668029
Divisors count	4	2
Divisors	1, 19, 35159, 668021	1, 668029
Number of properties	1	5
Additive primes		21148th
Cousin primes (1st member)		5842nd
Isolated primes		42474th
Primes		54171st
Semiprimes	142875th
Ulam primes		3981st
Roman numberals
Base 2	10100011000101110101₂	10100011000101111101₂
Base 3	1020221100112₃	1020221100211₃
Base 4	2203011311₄	2203011331₄
Base 5	132334041₅	132334104₅
Base 6	22152405₆	22152421₆
Base 7	5451404₇	5451415₇
Base 8	2430565₈	2430575₈
Base 9	1227315₉	1227324₉
Base 10	668021₁₀	668029₁₀
Base 11	416992₁₁	41699a₁₁
Base 12	282705₁₂	282711₁₂
Base 13	1a50a3₁₃	1a50ab₁₃
Base 14	13563b₁₄	135645₁₄
Base 15	d2deb₁₅	d2e04₁₅
Base 16	a3175₁₆	a317d₁₆