ℕ atory
Play Now

Properties of the Number 13900

Thirteen Thousand Nine Hundred

Basics

Value: 13899 → 13900 → 13901

Parity: even

Prime: No

Previous Prime: 13883

Next Prime: 13901

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 2 × 5 2 × 139

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11011001001100

Octal: 33114

Duodecimal: 8064

Hexadecimal: 364c

Square: 193210000

Square Root: 117.89826122551597

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..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically. A207564
G.f.: 1/(1 - x/(1 - x/(1 - x2/(1 - x3/(1 - x5/(1 - x8/(1 -...- xFibonacci(n)/(1 -...)))))))), a continued fraction. A206741
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 1 and 1 1 0 vertically. A208007
Expansion of 1/((1-x)*(1-2·x)*(1-x-2·x3)). A3230
Numbers k such that k and k2 use only the digits 0, 1, 2, 3 and 9. A136815
Number of n X 3 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically. A207559
a(n) is the number of primes that can be written as +-1! +- 2! +- 3! +- ... +- n!. A357680
Numbers k that are neither primes nor squares of primes such that A006134(k) - A102283(k) is divisible by k. A373763
Number of even non-cototients not exceeding 2n. A72297
Beginnings of maximal chains of primes with four members (three links). A152867