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Properties of the Number 6528

Six Thousand Five Hundred Twenty-Eight

Basics

Value: 6527 → 6528 → 6529

Parity: even

Prime: No

Previous Prime: 6521

Next Prime: 6529

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 7 × 3 × 17

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1100110000000

Octal: 14600

Duodecimal: 3940

Hexadecimal: 1980

Square: 42614784

Square Root: 80.79603950689662

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

a(n) = 4·a(n-1) - 2·a(n-2) with a(0) = 1, a(1) = 4. A7070
Numbers that are divisible by exactly 9 primes with multiplicity. A46312
Bisection of A001400. A14125
Number of conjugacy classes in GL(n,3). A6952
Numbers that can be expressed as the difference of the squares of primes in just three distinct ways. A90782
If X1, ..., Xn is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 3-subsets of X containing none of Xi, (i=1,...,n). A130809
Number T(n,k) of partitions of n where each part i is marked with a word of length i over a k-ary alphabet whose letters appear in alphabetical order and all k letters occur at least once in the partition; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A261719
T(n,k)=Number of nXk 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once. A269214
Numbers k such that σ(x) = k has exactly 8 solutions. A60664
Number of 4-ary Lyndon words of length n over Z4 with trace 0 and subtrace 1. A74403