Properties of the Number 65824

Sixty-Five Thousand Eight Hundred Twenty-Four

Basics

Value: 65823 → 65824 → 65825

Parity: even

Prime: No

Previous Prime: 65809

Next Prime: 65827

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 11 ² × 17

Divisors: 1, 2, 4, 8, 11, 16, 17, 22, 32, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000000100100000

Octal: 200440

Duodecimal: 32114

Hexadecimal: 10120

Square: 4332798976

Square Root: 256.5618833731932

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

Array read by antidiagonals: T(n,k) is the number of k-colorings of an n X n grid, up to rotational symmetry. A343095

Number of inequivalent 3 X 3 matrices with entries in {1,2,3,..,n} up to rotations. A282613

a(n) = n² + 2·n + 2ⁿ. A220425

Number of 4-colorings of an n X n grid, up to rotational symmetry. A47939

p-INVERT of the positive integers, where p(S) = 1 - 8·S². A290915

Nontotients (A005277) that are the product of two totients (A002202). A329872

a(n) = ∑_d∣4 φ(d)*n^4/d. A54603

Sum of numbers under a triangle on a spiral staircase of width 10. A111080

a(n) = floor((3rd elementary symmetric function of 2,3,...,n+3)/(2+3+...+n+3)). A24178

a(n) = 34·n². A303302