Properties of the Number 87804

Eighty-Seven Thousand Eight Hundred Four

Basics

Value: 87803 → 87804 → 87805

Parity: even

Prime: No

Previous Prime: 87803

Next Prime: 87811

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴ × 271

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011011111100

Octal: 253374

Duodecimal: 42990

Hexadecimal: 156fc

Square: 7709542416

Square Root: 296.3173973967779

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 n such that n * (x-1)/x produces a rotation of the digits in n for some value of x. A288626

Number of arrangements of 5 nonzero numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero. A188251

Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero). A259316

Non-repdigit numbers k that divide A045876(k). A276413

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, -1), (0, 1, -1), (1, 0, 1), (1, 1, -1)}. A149142

Let v(0) be the column vector (1,0,0,0)'; for n>0, let v(n) = [1 1 1 1 / 1 1 1 0 / 1 1 0 0/ 1 0 0 0] v(n-1). Sequence gives third entry of v(n). A91024

Binomial transform of squares of Catalan numbers. A87804

Numbers n such that n·x/(x-1) produces a rotation of the digits in n for some value of x. A288669