Properties of the Number 87891

Eighty-Seven Thousand Eight Hundred Ninety-One

Basics

Value: 87890 → 87891 → 87892

Parity: odd

Prime: No

Previous Prime: 87887

Next Prime: 87911

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 29297

Divisors: 1, 3, 29297, 87891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101011101010011

Octal: 253523

Duodecimal: 42A43

Hexadecimal: 15753

Square: 7724827881

Square Root: 296.46416309564296

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 walks of length n between two vertices on the same triangular face of a truncated tetrahedron (triangular prism). A94555

Expansion of (1-x)/((1+x)*(1-2·x)*(1-3·x)). A4054

Number of nX3 0..1 arrays with every element unequal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A317810

Triangle T(n,k) = n!/(n-k)! (0 <= k <= n) read by rows, giving number of permutations of n things k at a time. A8279

Number of nonsquarefree terms in 3x+1 trajectory started at n. A87891