Properties of the Number 87776

Eighty-Seven Thousand Seven Hundred Seventy-Six

Basics

Value: 87775 → 87776 → 87777

Parity: even

Prime: No

Previous Prime: 87767

Next Prime: 87793

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 13 × 211

Divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 104

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101011011100000

Octal: 253340

Duodecimal: 42968

Hexadecimal: 156e0

Square: 7704626176

Square Root: 296.2701469942593

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

Numbers k for which A276085(k) is a multiple of 3125, where A276085 is fully additive with a(p) = p#/p. A377878

Structured truncated cubic numbers. A100152

Number of n-node rooted trees with a forbidden limb of length 10. A255640

Number of rooted trees with n nodes such that no more than nine subtrees of the same size extend from the same node. A318803

Number of rooted trees with n nodes such that no more than nine isomorphic subtrees extend from the same node. A318856

G.f.: ∑_n=-oo..+oo ( xⁿ / (1 - x^2·n*(1+x)ⁿ⁺¹) )². A268656

Valid groups of final digits a square number made entirely of the digits 6, 7 and 8 can have. A241072

a(n) = (-1)ⁿ*(n + 1)*(5·n² + 10·n + 1). A271532

Primes prime(k) such that -prime(k-2) + 2·prime(k-1) - 2·prime(k+1) + prime(k+2) == 0. A87776