Properties of the Number -2744

Seven Hundred Forty-Four

Basics

Value: -2745 → -2744 → -2743

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 7 ³

Divisors: 1, 2, 4, 7, 8, 14, 28, 49, 56, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010111000

Octal: -5270

Duodecimal: -1708

Hexadecimal: -ab8

Square: 7529536

Square Root: 52.38320341483518

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

a(1) = 1, a(2) = -9; a(n) = -n³ * ∑_{d∣n, d < n} a(d) / d³. A359531

Expansion of e.g.f. log(1+x)/cosh(sinh(x)). A9432

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 219", based on the 5-celled von Neumann neighborhood. A270933

Expansion of e.g.f.: log(1+x)*cos(sin(x)). A9406

The cubes: a(n) = n³. A578

Powerful numbers (A001694) that are not prime powers (A000961). A286708

3-full (or cube-full, or cubefull) numbers: if a prime p divides n then so does p³. A36966

Perfect powers of nonprimes (m^k where m is a nonprime positive integer and k >= 2). A131605

Expansion of g.f.: (1+x)/(1-7·x). A3950

Perfect powers m^k where m is a positive integer and k >= 3. A76467