Properties of the Number 87802

Eighty-Seven Thousand Eight Hundred Two

Basics

Value: 87801 → 87802 → 87803

Parity: even

Prime: No

Previous Prime: 87797

Next Prime: 87803

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 13 × 307

Divisors: 1, 2, 11, 13, 22, 26, 143, 286, 307, 614

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011011111010

Octal: 253372

Duodecimal: 4298A

Hexadecimal: 156fa

Square: 7709191204

Square Root: 296.3140226178977

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 rooted unlabeled trees on n nodes where each node has at most 11 children. A292556

Form array in which n-th row is obtained by expanding (1 + x + x²)ⁿ and taking the 4th column from the center. A14533

Tenth column of trinomial coefficients. A64054

a(n) = ∑_{k=0..floor(n/2)} binomial(n+k-1,k) * binomial(2·k,n-2·k). A389292

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 1, 1), (0, 0, 1), (1, -1, 1), (1, 1, -1), (1, 1, 1)}. A150901

Bases with a record -- new or tie -- smallest 'stem value' for which a prime by concatenation of decrements exists. A220402

Irregular triangle read by rows: T(n,m) = number of lattice paths of type A^H terminating at point (n, m). A291081

a(n) = ∑_{d∣n, d nonprime} μ(d), where μ = A008683. A87802