Compare 991949 vs 991957

Property	991949	991957
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	7¹ × 141707¹	991957¹
Prime factorization	7 × 141707	991957
Divisors count	4	2
Divisors	1, 7, 141707, 991949	1, 991957
Number of properties	1	5
Chen primes		29748th
Cousin primes (1st member)		8098th
Isolated primes		61698th
Primes		77921st
Semiprimes	208433rd
Sexy primes (2nd member)		16278th
Roman numberals
Base 2	11110010001011001101₂	11110010001011010101₂
Base 3	1212101200212₃	1212101201011₃
Base 4	3302023031₄	3302023111₄
Base 5	223220244₅	223220312₅
Base 6	33132205₆	33132221₆
Base 7	11300660₇	11301001₇
Base 8	3621315₈	3621325₈
Base 9	1771625₉	1771634₉
Base 10	991949₁₀	991957₁₀
Base 11	6182a2₁₁	6182aa₁₁
Base 12	3ba065₁₂	3ba071₁₂
Base 13	28966a₁₃	289675₁₃
Base 14	1bb6d7₁₄	1bb701₁₄
Base 15	148d9e₁₅	148da7₁₅
Base 16	f22cd₁₆	f22d5₁₆