Compare 990910 vs 990917

Property	990910	990917
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 5¹ × 197¹ × 503¹	990917¹
Prime factorization	2 × 5 × 197 × 503	990917
Divisors count	16	2
Divisors	1, 2, 5, 10, 197, 394, 503, 985, 1006, 1970, 2515, 5030, 99091, 198182, 495455, 990910	1, 990917
Number of properties	0	4
Chen primes		29725th
Isolated primes		61627th
Primes		77842nd
Sexy primes (1st member)		16259th
Roman numberals
Base 2	11110001111010111110₂	11110001111011000101₂
Base 3	1212100021101₃	1212100021122₃
Base 4	3301322332₄	3301323011₄
Base 5	223202120₅	223202132₅
Base 6	33123314₆	33123325₆
Base 7	11264644₇	11264654₇
Base 8	3617276₈	3617305₈
Base 9	1770241₉	1770248₉
Base 10	990910₁₀	990917₁₀
Base 11	617538₁₁	617544₁₁
Base 12	3b953a₁₂	3b9545₁₂
Base 13	28904b₁₃	289055₁₃
Base 14	1bb194₁₄	1bb19b₁₄
Base 15	14890a₁₅	148912₁₅
Base 16	f1ebe₁₆	f1ec5₁₆