Properties of the Number 53508

Fifty-Three Thousand Five Hundred Eight

Basics

Value: 53507 → 53508 → 53509

Parity: even

Prime: No

Previous Prime: 53507

Next Prime: 53527

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 ³ × 13

Divisors: 1, 2, 3, 4, 6, 7, 12, 13, 14, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1101000100000100

Octal: 150404

Duodecimal: 26B70

Hexadecimal: d104

Square: 2863106064

Square Root: 231.31796298601628

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

Areas of nondegenerate triangles with perimeter A385737(n) whose side lengths are triangular numbers. A385872

Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 1 skipped prime. A50768

Consider necklaces with n beads, each black or white, where the n segments of cord between the beads are each colored red or green; a(n) is the number of different necklaces under the action of the dihedral group D_2n. A161221

Composition of Catalan and Fibonacci numbers. A189675

Distinct even numbers in the numerators of the 1/5-Pascal triangle (by row). A46626

Distinct even numbers in writing numerators of each element to the right of the central elements of the 1/5-Pascal triangle (by row). A46629

a(n) = binomial(n-1,3)*n^n-4. A53508

Primes less than 1000000 sorted lexicographically in decimal representation. A210761

G.f. A(x) satisfies: ∑_k=0..n [x^k] A(x)ⁿ = binomial(7·n,2·n). A244653

Number of tilings of a 3 X n rectangle using pentominoes of any shape and monominoes. A278875