Properties of the Number 27530

Twenty-Seven Thousand Five Hundred Thirty

Basics

Value: 27529 → 27530 → 27531

Parity: even

Prime: No

Previous Prime: 27529

Next Prime: 27539

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 2753

Divisors: 1, 2, 5, 10, 2753, 5506, 13765, 27530

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101110001010

Octal: 65612

Duodecimal: 13B22

Hexadecimal: 6b8a

Square: 757900900

Square Root: 165.92166826548

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

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 10. A31423

Result of using the primes as coefficients in an infinite polynomial series in·and then expressing this series as (1+a(1)x)(1+a(2)x²)(1+a(3)x³)... A147557

-1 + ∏_n>=1 1/(1 + a(n)*xⁿ) = g.f. of A000040 (prime numbers). A305882

Triangle generated by the recurrence T(n+1,k+1) = T(n,k+1) + n·T(n,k) + δ(n,k) with the initial values T(n,0) = 1 and T(0,k) = δ(k,0), where δ(n,k) is the Kronecker δ. A191490

Numbers that contain as proper substrings every maximal prime power dividing them. A59401

a(n) = 4·n³ + 5·n - 1. A383854

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 0, 1), (0, 1, -1), (1, -1, -1)}. A148018

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4. A196798

Third column of A027516. A27530