Properties of the Number 85524

Eighty-Five Thousand Five Hundred Twenty-Four

Basics

Value: 85523 → 85524 → 85525

Parity: even

Prime: No

Previous Prime: 85523

Next Prime: 85531

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7127

Divisors: 1, 2, 3, 4, 6, 12, 7127, 14254, 21381, 28508

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100111000010100

Octal: 247024

Duodecimal: 415B0

Hexadecimal: 14e14

Square: 7314354576

Square Root: 292.4448665988172

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

Fixed points of permutations A256210 and A256371. A256372

Number of distinct non-extendable sequences X={x(1),x(2),...,x(k)} where x(1)=1, the x(i)'s are distinct elements of {1,...,n} with |x(i)-x(i+1)|=1 or 2, for i=1,2,...,k. A54668

E.g.f. satisfies A(x) = 1/(1 + A(x) * log(1 - x·A(x)))³. A377493

a(0) = 0; a(n) = n^2·n-1 for n > 0. A85524