Properties of the Number 53046

Fifty-Three Thousand Forty-Six

Basics

Value: 53045 → 53046 → 53047

Parity: even

Prime: No

Previous Prime: 53017

Next Prime: 53047

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 7 × 421

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111100110110

Octal: 147466

Duodecimal: 26846

Hexadecimal: cf36

Square: 2813878116

Square Root: 230.31717261203082

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

n/2 analog of Keith numbers. A282766

Triangle read by rows: T(n,k) is the number of permutations of k elements from [1..n] with longest consecutive chain size less than 3, when 1 and n are considered to be consecutive. A340107

E.g.f. satisfies log(A(x)) = (exp(x) - 1)² * A(x). A357009

Irregular triangle read by rows: T(n,k) is the coefficient of x^k in the domination polynomial of the n X n king graph (n>=1, A075561(n)<=k<=n²). A378420

a(n) is the number of terms that are not powers of 2 among the iterates of the Euler φ function when it is iterated with initial value n!. A53046