Properties of the Number 86071

Eighty-Six Thousand Seventy-One

Basics

Value: 86070 → 86071 → 86072

Parity: odd

Prime: No

Previous Prime: 86069

Next Prime: 86077

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 61 × 83

Divisors: 1, 17, 61, 83, 1037, 1411, 5063, 86071

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000000110111

Octal: 250067

Duodecimal: 41987

Hexadecimal: 15037

Square: 7408217041

Square Root: 293.3785949928863

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

G.f.: A(x) = 1/(1 - x·B(x²)), where B(x) = ∑_n>=0 a(n)²*xⁿ is the g.f. of A121648. A121649

A bisection of A121649; a(n) = A121649(2·n+1) = A121648(2·n+1)^1/2. A121651

Indices of record values in A350228. A350244

Indices of primes in sequence defined by A(0) = 89, A(n) = 10·A(n-1) - 31 for n > 0. A101073

Number of 0's in decimal expansion of triangular number n(n+1)/2. A86071