Properties of the Number 13769

Thirteen Thousand Seven Hundred Sixty-Nine

Basics

Value: 13768 → 13769 → 13770

Parity: odd

Prime: No

Previous Prime: 13763

Next Prime: 13781

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 ² × 281

Divisors: 1, 7, 49, 281, 1967, 13769

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010111001001

Octal: 32711

Duodecimal: 7B75

Hexadecimal: 35c9

Square: 189585361

Square Root: 117.34138229968147

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

Number of n-step self-avoiding walks on a Manhattan lattice. A6744

Molien series for invariants of finite Coxeter group A₈. A266777

Row sums of triangle A027420. A241944

Number of one-sided polybends with n cells. A392390

exp(tan(x)+log(x+1))=1+2·x+3/2!*x²+6/3!*x³+21/4!*x⁴+82/5!*x⁵... A12924

Composite numbers k such that the sum of the proper divisors of k not including 1, (Chowla's function, A048050) and their product (A007956) are both perfect squares. A64180

Numbers k such that Euler φ(k) / Carmichael λ(k) = 14. A66696

Numbers n such that the sum of the distinct prime factors of prime(n)-1 and prime(n+1)-1 are the same. A259562

a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number that has not yet appeared whose string value contains all the distinct prime factors of a(n-1). Overlapping factor strings is allowed. A365500

a(n) = A086330(prime(n)). A371035