Properties of the Number -27709

Twenty-Seven Thousand Seven Hundred Nine

Basics

Value: -27710 → -27709 → -27708

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 ² × 229

Divisors: 1, 11, 121, 229, 2519, 27709

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -110110000111101

Octal: -66075

Duodecimal: -14051

Hexadecimal: -6c3d

Square: 767788681

Square Root: 166.4602054546371

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,4,0,2,1 for x=0,1,2,3,4. A197307

Initial term of n-th row of triangle in A079784. A79781

Least x = a(n) such that sum of common prime divisors (without multiplicity) of σ(x) and φ(x) equals n, or 0 if such number (apparently) does not exist. A82056

Number of subsets of {1..n} whose sum of squares of elements is a square. A336815

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,4,0,2,1 for x=0,1,2,3,4. A197304

Number of partitions p of n such that 5·min(p) is a part of p. A361459

Number of permutations of length n which avoid the patterns 2413, 3421, 4123. A116828

Number of ways to place zero or more nonadjacent 1,0 2,0 2,1 2,2 3,0 polyhexes in any orientation on a planar nXnXn triangular grid. A155230

Number of n X n 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,4,0,2,1 for x=0,1,2,3,4. A197301