Compare 991417 vs 991427

Property	991417	991427
Type	composite number	prime
Unique factors	2	1
Total factors	3	1
Prime factorization	7² × 20233¹	991427¹
Prime factorization	7 × 7 × 20233	991427
Divisors count	6	2
Divisors	1, 7, 49, 20233, 141631, 991417	1, 991427
Number of properties	0	4
Chen primes		29733rd
Primes		77879th
Safe primes		4295th
Twin primes (1st member)		8110th
Roman numberals
Base 2	11110010000010111001₂	11110010000011000011₂
Base 3	1212100222011₃	1212100222112₃
Base 4	3302002321₄	3302003003₄
Base 5	223211132₅	223211202₅
Base 6	33125521₆	33125535₆
Base 7	11266300₇	11266313₇
Base 8	3620271₈	3620303₈
Base 9	1770864₉	1770875₉
Base 10	991417₁₀	991427₁₀
Base 11	617959₁₁	617968₁₁
Base 12	3b98a1₁₂	3b98ab₁₂
Base 13	28934b₁₃	289358₁₃
Base 14	1bb437₁₄	1bb443₁₄
Base 15	148b47₁₅	148b52₁₅
Base 16	f20b9₁₆	f20c3₁₆