Properties of the Number 87823

Eighty-Seven Thousand Eight Hundred Twenty-Three

Basics

Value: 87822 → 87823 → 87824

Parity: odd

Prime: No

Previous Prime: 87811

Next Prime: 87833

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 31 × 2833

Divisors: 1, 31, 2833, 87823

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011100001111

Octal: 253417

Duodecimal: 429A7

Hexadecimal: 1570f

Square: 7712879329

Square Root: 296.3494558793723

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

Composites whose prime factorization in base 8 is an anagram of the number in base 8. A260052

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 0), (0, 1, -1), (0, 1, 1), (1, -1, 0)}. A148878

a(1) = a(2) = 1; for n > 2, a(n) = a(a(a(n-2))) + a(n-a(n-2)). A87823

Dimension of the invariant subspace in modules over the symmetric groups S_n of dimension n*(n+1)^n-1. A123256