Compare 166551 vs 166561

Property	166551	166561
Type	composite number	prime
Unique factors	4	1
Total factors	5	1
Prime factorization	3¹ × 7² × 11¹ × 103¹	166561¹
Prime factorization	3 × 7 × 7 × 11 × 103	166561
Divisors count	24	2
Divisors	1, 3, 7, 11, 21, 33, 49, 77, 103, 147, 231, 309, 539, 721, 1133, 1617, 2163, 3399, 5047, 7931, 15141, 23793, 55517, 166551	1, 166561
Number of properties	0	6
Good primes		904th
Isolated primes		11504th
Primes		15213th
Pythagorean primes		7587th
Quartan primes		46th
Sexy primes (1st member)		3680th
Roman numberals
Base 2	101000101010010111₂	101000101010100001₂
Base 3	22110110120₃	22110110221₃
Base 4	220222113₄	220222201₄
Base 5	20312201₅	20312221₅
Base 6	3323023₆	3323041₆
Base 7	1262400₇	1262413₇
Base 8	505227₈	505241₈
Base 9	273416₉	273427₉
Base 10	166551₁₀	166561₁₀
Base 11	104150₁₁	10415a₁₁
Base 12	80473₁₂	80481₁₂
Base 13	5aa68₁₃	5aa75₁₃
Base 14	449a7₁₄	449b3₁₄
Base 15	34536₁₅	34541₁₅
Base 16	28a97₁₆	28aa1₁₆