Properties of the Number 13

Thirteen

Basics

Value: 12 → 13 → 14

Parity: odd

Prime: Yes

Previous Prime: 11

Next Prime: 17

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 13

Divisors: 1, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1101

Octal: 15

Duodecimal: 11

Hexadecimal: d

Square: 169

Square Root: 3.605551275463989

Classification

Fibonacci: Yes

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

No sequences found.