Properties of the Number 13398

Thirteen Thousand Three Hundred Ninety-Eight

Basics

Value: 13397 → 13398 → 13399

Parity: even

Prime: No

Previous Prime: 13397

Next Prime: 13399

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 11 × 29

Divisors: 1, 2, 3, 6, 7, 11, 14, 21, 22, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11010001010110

Octal: 32126

Duodecimal: 7906

Hexadecimal: 3456

Square: 179506404

Square Root: 115.74973002128341

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 partitions of n that do not contain 2 as a part. A27336

Numbers k such that the central binomial coefficient C(2k,k) is divisible by k². A121943

T(n,k) is the number of (n+1) X (k+1) 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2 X 2 permanents nonzero. A204740

Partial sums of A140091. A267370

Heinz numbers of complete strict integer partitions. A325986

A Wallis pair (x,y) satisfies σ(x²) = σ(y²); sequence gives x's for indecomposable Wallis pairs with x < y (ordered by values of x). A75768

Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are < p/2. A282039

Consider recurrence b(0) = (2n+1)/2, b(n) = b(n-1)*ceiling(b(n-1)); sequence gives first integer reached. A81853

Composites one larger than a prime, with exactly five distinct prime factors. A136154

Numbers k for which rank of the elliptic curve y²=x³+k·x is 4. A309031