Compare 142657 vs 142666

Property	142657	142666
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	142657¹	2¹ × 71333¹
Prime factorization	142657	2 × 71333
Divisors count	2	4
Divisors	1, 142657	1, 2, 71333, 142666
Number of properties	5	1
Isolated primes	9977th
Long primes	4933rd
Primes	13238th
Pythagorean primes	6597th
Semiprimes		32764th
Ulam primes	932nd
Roman numberals
Base 2	100010110101000001₂	100010110101001010₂
Base 3	21020200121₃	21020200221₃
Base 4	202311001₄	202311022₄
Base 5	14031112₅	14031131₅
Base 6	3020241₆	3020254₆
Base 7	1132624₇	1132636₇
Base 8	426501₈	426512₈
Base 9	236617₉	236627₉
Base 10	142657₁₀	142666₁₀
Base 11	981a9₁₁	98207₁₁
Base 12	6a681₁₂	6a68a₁₂
Base 13	4cc18₁₃	4cc24₁₃
Base 14	39dbb₁₄	39dc6₁₄
Base 15	2c407₁₅	2c411₁₅
Base 16	22d41₁₆	22d4a₁₆