Properties of the Number 87257

Eighty-Seven Thousand Two Hundred Fifty-Seven

Basics

Value: 87256 → 87257 → 87258

Parity: odd

Prime: Yes

Previous Prime: 87253

Next Prime: 87277

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 87257

Divisors: 1, 87257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010011011001

Octal: 252331

Duodecimal: 425B5

Hexadecimal: 154d9

Square: 7613784049

Square Root: 295.39295861614573

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

Number of weighted lattice paths in F[n]. The members of F[n] are paths of weight n that start at (0,0), do not go below the horizontal axis, and whose steps are of the following four kinds: an (1,0)-step with weight 1, an (1,0)-step with weight 2, a (1,1)-step with weight 2, and a (1,-1)-step with weight 1. The weight of a path is the sum of the weights of its steps. A182905

Primes of the form n² + φ(n). A264771

Number of permutations of [n] avoiding {1423, 2341, 3124}. A294696

Duplicate of A033496. A87257