Properties of the Number 13284

Thirteen Thousand Two Hundred Eighty-Four

Basics

Value: 13283 → 13284 → 13285

Parity: even

Prime: No

Previous Prime: 13267

Next Prime: 13291

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴ × 41

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001111100100

Octal: 31744

Duodecimal: 7830

Hexadecimal: 33e4

Square: 176464656

Square Root: 115.25623627379127

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

4 times hexagonal numbers: a(n) = 4·n*(2·n-1). A85250

a(n) = lcm(p-1, p+1) where p is the n-th prime. A84921

Limit of reversed rows of triangle A126347, in which row sums equal Bell numbers (A000110). A126348

Number of distinct circles that can be constructed from an n·n square grid of points using only a compass. A359931

Star of David matchstick numbers: a(n) = 6·n*(3·n+1). A45946

Numbers that are the sum of nine fourth powers in nine or more ways. A345593

Numbers that are the sum of nine fourth powers in exactly nine ways. A345851

Number of nonisomorphic proper colorings of partition star graph using four colors. A297568

Row sums of triangle A120073 (denominator triangle for H atom spectrum). A120075

a(n) = (prime(n)² - 1)/2 for n >= 2. A216244