Compare 81439 vs 81442

Property	81439	81442
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	81439¹	2¹ × 43¹ × 947¹
Prime factorization	81439	2 × 43 × 947
Divisors count	2	8
Divisors	1, 81439	1, 2, 43, 86, 947, 1894, 40721, 81442
Number of properties	5	0
Harmonic primes	3009th
Isolated primes	5917th
Lucky primes	1074th
Primes	7968th
Ulam primes	581st
Roman numberals
Base 2	10011111000011111₂	10011111000100010₂
Base 3	11010201021₃	11010201101₃
Base 4	103320133₄	103320202₄
Base 5	10101224₅	10101232₅
Base 6	1425011₆	1425014₆
Base 7	456301₇	456304₇
Base 8	237037₈	237042₈
Base 9	133637₉	133641₉
Base 10	81439₁₀	81442₁₀
Base 11	56206₁₁	56209₁₁
Base 12	3b167₁₂	3b16a₁₂
Base 13	2b0b7₁₃	2b0ba₁₃
Base 14	21971₁₄	21974₁₄
Base 15	191e4₁₅	191e7₁₅
Base 16	13e1f₁₆	13e22₁₆