Properties of the Number 6627

Six Thousand Six Hundred Twenty-Seven

Basics

Value: 6626 → 6627 → 6628

Parity: odd

Prime: No

Previous Prime: 6619

Next Prime: 6637

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 47 ²

Divisors: 1, 3, 47, 141, 2209, 6627

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100111100011

Octal: 14743

Duodecimal: 3A03

Hexadecimal: 19e3

Square: 43917129

Square Root: 81.40638795573723

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 m such that there are precisely 3 groups of order m. A55561

Number of nonempty subsets of {1..n} whose geometric mean is an integer. A326027

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01. A251801

G.f.: ∑_{n >= 1} xⁿ/(1-xⁿ)⁵. A73570

T(n,k) = number of (n+1)X(k+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction. A250544

Greatest integer k such that k/2ⁿ < (1+sqrt(5))/2 (the golden ratio). A293313

Numbers that are the sum of seven fourth powers in four or more ways. A345570

Numbers that are the sum of seven fourth powers in exactly four ways. A345826

Numbers p²*q, p > q odd primes such that q divides p+1. A350245

Composite numbers k such that A075254(k) is a square. A386246