Properties of the Number 82615

Eighty-Two Thousand Six Hundred Fifteen

Basics

Value: 82614 → 82615 → 82616

Parity: odd

Prime: No

Previous Prime: 82613

Next Prime: 82619

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 13 × 31 × 41

Divisors: 1, 5, 13, 31, 41, 65, 155, 205, 403, 533

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001010110111

Octal: 241267

Duodecimal: 3B987

Hexadecimal: 142b7

Square: 6825238225

Square Root: 287.42825191689144

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

Triangle read by rows: T(n,k) is the number of hypergraphs on n labeled vertices with k edges and all vertices having even degree, 0 <= k < 2ⁿ. A340030

Expansion of g.f. A(x) satisfying A(x)⁵ = A( x⁵/(1 - 5·x)⁵ ) / (1 - 5·x). A361764

Weight distribution of d=3 Hamming code of length 31. A10086

Numbers k such that φ(k) and σ(k) are both perfect squares. A67781

Numbers n such that φ(n), ψ(n) and σ(n) are simultaneously perfect squares. A301867

Expansion of 1/( (1 + x)² * (1 - x*(1 + x)³) ). A375363

Weight distribution of d=4 Hamming code of length 31. A10091

Expansion of g.f. A(x) satisfying A(x)⁵ = A( x⁵/(1 - 5·x)⁵ ). A361765

Palindromes such that the GCD of any pair of successive terms is a palindromic prime. A82615