Properties of the Number 6504

Six Thousand Five Hundred Four

Basics

Value: 6503 → 6504 → 6505

Parity: even

Prime: No

Previous Prime: 6491

Next Prime: 6521

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 271

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 271, 542

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100101101000

Octal: 14550

Duodecimal: 3920

Hexadecimal: 1968

Square: 42302016

Square Root: 80.64738061462381

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

T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum and no two neighbors equal. A199704

Numbers k such that φ(x) = k has exactly 7 solutions. A60670

Number of achiral colorings of the 24 octahedral facets (or 24 vertices) of the 4-D 24-cell using subsets of a set of n colors. A338951

Number of ways to write n as an ordered sum of 8 primes. A340964

Partial sums of A068058 + 1. A68059

Integers that can be expressed as the sum of consecutive primes in exactly 4 ways. A54999

T(n,k) = Number of n X k 0..1 arrays with rows and columns unimodal. A223620

T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0 or 2 neighboring 1s. A296335

Numbers k such that k² == 2 (mod 23²). A156849

Triangle read by rows: T(n,k) is the number of homeomorphically irreducible leaf colored trees with n leaves using exactly k colors. A339780