Properties of the Number 27747

Twenty-Seven Thousand Seven Hundred Forty-Seven

Basics

Value: 27746 → 27747 → 27748

Parity: odd

Prime: No

Previous Prime: 27743

Next Prime: 27749

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3083

Divisors: 1, 3, 9, 3083, 9249, 27747

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110001100011

Octal: 66143

Duodecimal: 14083

Hexadecimal: 6c63

Square: 769896009

Square Root: 166.57430774282088

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

Number of periodic palindromic structures using a maximum of four different symbols. A56505

Number of rooted trees with total weight n, where the weight of a node at height k is k (with the root considered to be at level 1). A117357

Thickened pyramidal numbers: a(n) = 2*(n+1)*n + ∑_i=1..n (4·i*(i-1) + 1). A50533

Denominators of continued fraction convergents to sqrt(514). A41983

Number of essentially different semi-magic squares of order 3 with semimagic sum n. A122751

Coefficients in q-expansion of (E₂³ - E₂*E₄)/288, where E₂ and E₄ are the Eisenstein series shown in A006352 and A004009, respectively. A282020

Number of ways of numbering the faces of a cube with nonnegative integers so that the sum of the 6 numbers is n. A54473

a(n) = nⁿ^n^..ⁿ (6-n terms, n<=5). A27747