Compare 990917 vs 990928

Property	990917	990928
Type	prime	composite number
Unique factors	1	2
Total factors	1	5
Prime factorization	990917¹	2⁴ × 61933¹
Prime factorization	990917	2 × 2 × 2 × 2 × 61933
Divisors count	2	10
Divisors	1, 990917	1, 2, 4, 8, 16, 61933, 123866, 247732, 495464, 990928
Number of properties	4	0
Chen primes	29725th
Isolated primes	61627th
Primes	77842nd
Sexy primes (1st member)	16259th
Roman numberals
Base 2	11110001111011000101₂	11110001111011010000₂
Base 3	1212100021122₃	1212100022001₃
Base 4	3301323011₄	3301323100₄
Base 5	223202132₅	223202203₅
Base 6	33123325₆	33123344₆
Base 7	11264654₇	11265001₇
Base 8	3617305₈	3617320₈
Base 9	1770248₉	1770261₉
Base 10	990917₁₀	990928₁₀
Base 11	617544₁₁	617554₁₁
Base 12	3b9545₁₂	3b9554₁₂
Base 13	289055₁₃	289063₁₃
Base 14	1bb19b₁₄	1bb1a8₁₄
Base 15	148912₁₅	14891d₁₅
Base 16	f1ec5₁₆	f1ed0₁₆