Properties of the Number -5655

Six Hundred Fifty-Five

Basics

Value: -5656 → -5655 → -5654

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 29

Divisors: 1, 3, 5, 13, 15, 29, 39, 65, 87, 145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1011000010111

Octal: -13027

Duodecimal: -3333

Hexadecimal: -1617

Square: 31979025

Square Root: 75.1997340420829

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

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * ∑_j=0..n (-k * (n-j))^j/j!. A351791

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood. A272052

Numbers m that are the hypotenuse of exactly 13 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 13 ways. A97102

a(n) = (n+1)*F(n), F(n) = Fibonacci numbers A000045. A99920

G.f. satisfies A(x) = 1 + x·A(x·A(x)). A87949

Numbers which have only digits 5 and 6 in base 10. A256291

Stern-Jacobsthal numbers. A101624

Perimeter of primitive integer-sided triangles with A < B < C < 2*π/3 and such that FA + FB + FC is an integer where F is the Fermat point of the triangle. A336333

Squarefree odd numbers with exactly 4 distinct prime factors. A46390

Numbers n such that nextprime(n³)-prevprime(n³) = 4. A90121