Properties of the Number 86025

Eighty-Six Thousand Twenty-Five

Basics

Value: 86024 → 86025 → 86026

Parity: odd

Prime: No

Previous Prime: 86017

Next Prime: 86027

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 31 × 37

Divisors: 1, 3, 5, 15, 25, 31, 37, 75, 93, 111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101000000001001

Octal: 250011

Duodecimal: 41949

Hexadecimal: 15009

Square: 7400300625

Square Root: 293.3001875212493

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 set partitions of [2n] in which the size of the last block is n. A297924

Super-5 Numbers (5·n⁵ contains substring '55555' in its decimal expansion). A32745

Number of nX2 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself. A266019

Numbers k such that the sum of the squares of the odd divisors of k (A050999) is divisible by k. A355543

a(n) = ∑_i=1..n C(i+4,5)². A86025

a(n) = ∑_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2·k,k) * C(n+3·k,k) * C(n+4·k,k). A82489

Number of 2n X 2n matrices whose entries are {0,-1,+1} and whose row sums and column sums are all distinct. A49475

Expansion of A(x) satisfying [xⁿ] A(x) / (1 + x·A(x)ⁿ⁺¹) = 0 for n > 0. A360583