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Properties of the Number 13390

Thirteen Thousand Three Hundred Ninety

Basics

Value: 13389 → 13390 → 13391

Parity: even

Prime: No

Previous Prime: 13381

Next Prime: 13397

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 13 × 103

Divisors: 1, 2, 5, 10, 13, 26, 65, 103, 130, 206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11010001001110

Octal: 32116

Duodecimal: 78BA

Hexadecimal: 344e

Square: 179292100

Square Root: 115.71516754514077

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

a(n) is the starting position of the first occurrence of a string of at least n '0's in the decimal expansion of π. A50279
Number of strict trees of weight n with distinct leaves. A300352
Sorted positions of first appearances in the second differences of consecutive squarefree numbers (A005117). A376655
Magic sums of 4 X 4 magic squares composed of squares. A271580
a(n) = dotproduct(n,n-1,...2,1)*(5,6,...,n,1,2,3,4). A26060
Numbers n such that T(n) + T(n+1) + ... + T(n+24) is a square, where T = A000217 (triangular numbers). A257708
Nonsquares which are the product of two numbers with the same digits (leading zeros are forbidden). A72443
Radius of inscribed circle within primitive Pythagorean triangles having legs that add up to a square, sorted on hypotenuse. A89551
Index of first occurrence of exactly n consecutive zeros in a row in the decimal expansion of π. A96764
Row sums of A232642, when seen as a triangle read by rows. A257956