Compare 161881 vs 161890

Property	161881	161890
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	161881¹	2¹ × 5¹ × 16189¹
Prime factorization	161881	2 × 5 × 16189
Divisors count	2	8
Divisors	1, 161881	1, 2, 5, 10, 16189, 32378, 80945, 161890
Number of properties	6	0
Centered square primes	80th
Happy primes	2297th
Lucky primes	1916th
Primes	14842nd
Pythagorean primes	7399th
Twin primes (2nd member)	1820th
Roman numberals
Base 2	100111100001011001₂	100111100001100010₂
Base 3	22020001121₃	22020001221₃
Base 4	213201121₄	213201202₄
Base 5	20140011₅	20140030₅
Base 6	3245241₆	3245254₆
Base 7	1242646₇	1242661₇
Base 8	474131₈	474142₈
Base 9	266047₉	266057₉
Base 10	161881₁₀	161890₁₀
Base 11	100695₁₁	1006a3₁₁
Base 12	79821₁₂	7982a₁₂
Base 13	588b5₁₃	588c1₁₃
Base 14	42dcd₁₄	42dd8₁₄
Base 15	32e71₁₅	32e7a₁₅
Base 16	27859₁₆	27862₁₆