Properties of the Number 27671

Twenty-Seven Thousand Six Hundred Seventy-One

Basics

Value: 27670 → 27671 → 27672

Parity: odd

Prime: No

Previous Prime: 27653

Next Prime: 27673

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 59 × 67

Divisors: 1, 7, 59, 67, 413, 469, 3953, 27671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110000010111

Octal: 66027

Duodecimal: 1401B

Hexadecimal: 6c17

Square: 765684241

Square Root: 166.34602489990556

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

Triangle read by rows: T(n,k) = number of j-covers of [n] with j<=k, k=1..2ⁿ-1. A369950

G.f.: ∑_n>=0 binomial(n², n) * xⁿ / (1 + x)^n². A298695

Number of nX6 0..1 arrays with every element equal to 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A298098

Row sums of the triangle A097883. A98404

Number of necklaces with n beads of 3 colors, allowing turning over. A27671

T(n,k)=Number of nXk 0..1 arrays with every element equal to 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A298100