Properties of the Number 13750

Thirteen Thousand Seven Hundred Fifty

Basics

Value: 13749 → 13750 → 13751

Parity: even

Prime: No

Previous Prime: 13729

Next Prime: 13751

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 ⁴ × 11

Divisors: 1, 2, 5, 10, 11, 22, 25, 50, 55, 110

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010110110110

Octal: 32666

Duodecimal: 7B5A

Hexadecimal: 35b6

Square: 189062500

Square Root: 117.26039399558574

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

First differences of A005579. A5347

a(n) = 22·n². A195323

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock. A236018

Numbers that are not a power of a prime but whose prime indices satisfy (mean) = (median) = (mode), assuming there is a unique mode. A363729

Number of partitions p of n such that 2*(number of even numbers in p) < (number of odd numbers in p). A241651

a(n) = A247503(A277324(n)). A284563

Prime factorization representation of Stern polynomials B(n,x) with only the even powers of·present: a(n) = A247503(A260443(n)). A284553

Numbers k such that S(k)=d(k), where S(k) is the Kempner function (A002034) and d(k) is the number of divisors of k (A000005). A73307

Numbers n such that number of divisors of n divides S(n), the Kempner function A002034. A73413

Numbers n such that the sum of prime factors of n (counted with repetition) equals three times the largest prime divisor. A212861