Properties of the Number 8545

Eight Thousand Five Hundred Forty-Five

Basics

Value: 8544 → 8545 → 8546

Parity: odd

Prime: No

Previous Prime: 8543

Next Prime: 8563

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 1709

Divisors: 1, 5, 1709, 8545

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 10000101100001

Octal: 20541

Duodecimal: 4B41

Hexadecimal: 2161

Square: 73017025

Square Root: 92.43916918709297

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 n-stacks with strictly receding walls, or the number of Type A partitions of n in the sense of Auluck (1951). A1522

Partial sums of A160239. A245542

Length of n-th string generated by a Kolakoski(7,1) rule starting with a(1)=1. A95343

Numbers k such that the continued fraction for sqrt(k) has period 9. A10339

Numbers k such that continued fraction of (1 + sqrt(k))/2 has period 11. A146335

Number of partitions where the number of 1's and 2's are equal. A174455

a(n) is the number of labeled rooted unordered binary trees T where the nodes are labeled with distinct positive integers, the root has label n, each parent label equals the sum of its children labels, and T cannot be extended. A348850

Number of ordered triples (w,x,y) with all terms in {1,...,n} and w⁴<x⁴+y⁴. A211652

Number of magical labelings of the octahedral graph of magic sum n. A125198

Number of 2 X 2 tiles in all tilings of a 4 X n rectangle with 1 X 1 and 2 X 2 square tiles. A128102