Compare 145980 vs 145987

Property	145980	145987
Type	composite number	prime
Unique factors	4	1
Total factors	6	1
Prime factorization	2² × 3² × 5¹ × 811¹	145987¹
Prime factorization	2 × 2 × 3 × 3 × 5 × 811	145987
Divisors count	36	2
Divisors	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 811, 1622, 2433, 3244, 4055, 4866, 7299, 8110, 9732, 12165, 14598, 16220, 24330, 29196, 36495, 48660, 72990, 145980	1, 145987
Number of properties	0	6
Cousin primes (1st member)		1660th
Happy primes		2122nd
Harmonic primes		5072nd
Isolated primes		10189th
Primes		13506th
Ulam primes		958th
Roman numberals
Base 2	100011101000111100₂	100011101001000011₂
Base 3	21102020200₃	21102020221₃
Base 4	203220330₄	203221003₄
Base 5	14132410₅	14132422₅
Base 6	3043500₆	3043511₆
Base 7	1145412₇	1145422₇
Base 8	435074₈	435103₈
Base 9	242220₉	242227₉
Base 10	145980₁₀	145987₁₀
Base 11	9a74a₁₁	9a756₁₁
Base 12	70590₁₂	70597₁₂
Base 13	515a3₁₃	515aa₁₃
Base 14	3b2b2₁₄	3b2b9₁₄
Base 15	2d3c0₁₅	2d3c7₁₅
Base 16	23a3c₁₆	23a43₁₆