Properties of the Number 28013

Twenty-Eight Thousand Thirteen

Basics

Value: 28012 → 28013 → 28014

Parity: odd

Prime: No

Previous Prime: 28001

Next Prime: 28019

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 109 × 257

Divisors: 1, 109, 257, 28013

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110101101101

Octal: 66555

Duodecimal: 14265

Hexadecimal: 6d6d

Square: 784728169

Square Root: 167.37084572887835

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

Sum of n-th prime squared and n-th perfect square. A106587

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 233", based on the 5-celled von Neumann neighborhood. A279998

Brilliant numbers k such that 2k+1 is also brilliant. A85649

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 11. A51976

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 0), (0, 1, -1), (1, 0, 0), (1, 1, 1)}. A150454

Expansion of 1/((1-2·x)*(1-7·x)*(1-10·x)*(1-12·x)). A28013