Properties of the Number -13749

Thirteen Thousand Seven Hundred Forty-Nine

Basics

Value: -13750 → -13749 → -13748

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 4583

Divisors: 1, 3, 4583, 13749

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010110110101

Octal: -32665

Duodecimal: -7B59

Hexadecimal: -35b5

Square: 189035001

Square Root: 117.25612990372828

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

Coordination sequence for (3,3,4) tiling of hyperbolic plane. A265071

a(n) = (4·n³-3·n²+5·n-3)/3. A177342

E.g.f.: ∑_n>=0 (3 + exp(n·x))ⁿ * xⁿ/n!. A326261

a(n) = binary code (shown here in decimal) of the position of natural number n in the beanstalk-tree A218778. A218614

a(n) = binary code (shown here in decimal) of the position of the predecessor of the natural number pair (2n,2n+1) in the compact beanstalk-tree A218782. A218790

a(n) is the number of vertices formed by n-secting the angles of a heptagon. A335758

Concatenate n-th prime and n-th composite. A38530

Sum of first n 6-almost primes. A86052

a(n) = 22·n² - 1. A158540

Numbers n for which the numbers 6n+1, 3n+2, 6n+7 are all odd composite squarefree numbers, but none are semiprimes. A263510