Compare 172987 vs 172989

Property	172987	172989
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	172987¹	3³ × 43¹ × 149¹
Prime factorization	172987	3 × 3 × 3 × 43 × 149
Divisors count	2	16
Divisors	1, 172987	1, 3, 9, 27, 43, 129, 149, 387, 447, 1161, 1341, 4023, 6407, 19221, 57663, 172989
Number of properties	8	0
Harmonic primes	5902nd
Isolated primes	11949th
Primes	15752nd
Sexy primes (1st member)	3802nd
Sexy primes (2nd member)	3801st
Sexy prime quadrupletss (2nd member)	102nd
Sexy prime triplets (1st member)	779th
Sexy prime triplets (2nd member)	778th
Roman numberals
Base 2	101010001110111011₂	101010001110111101₂
Base 3	22210021221₃	22210022000₃
Base 4	222032323₄	222032331₄
Base 5	21013422₅	21013424₅
Base 6	3412511₆	3412513₆
Base 7	1320223₇	1320225₇
Base 8	521673₈	521675₈
Base 9	283257₉	283260₉
Base 10	172987₁₀	172989₁₀
Base 11	108a71₁₁	108a73₁₁
Base 12	84137₁₂	84139₁₂
Base 13	60979₁₃	6097b₁₃
Base 14	47083₁₄	47085₁₄
Base 15	363c7₁₅	363c9₁₅
Base 16	2a3bb₁₆	2a3bd₁₆