Properties of the Number 27650

Twenty-Seven Thousand Six Hundred Fifty

Basics

Value: 27649 → 27650 → 27651

Parity: even

Prime: No

Previous Prime: 27647

Next Prime: 27653

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 ² × 7 × 79

Divisors: 1, 2, 5, 7, 10, 14, 25, 35, 50, 70

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110000000010

Octal: 66002

Duodecimal: 14002

Hexadecimal: 6c02

Square: 764522500

Square Root: 166.2828914831589

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

Smallest palindromic numbers of length 4 in two bases differing by n. A216843

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order. A263586

L.g.f.: ∑_n>=1 (xⁿ/n) * ∏_d∣n (1 + n·x^d/d). A205477

a(0) = 1, a(n) = 27·n² + 2 for n>0. A10017

Numbers n not of the form i²+(i+1)² such that there are integers a < b with a²+(a+1)²+...+(n-1)² = n²+(n+1)²+...+b². A94523

Numbers that are 4-digit palindromes in at least 2 bases. A180453

Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207143

Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207144

Number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207145

Number of (n+1) X 6 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207146