Properties of the Number 82134

Eighty-Two Thousand One Hundred Thirty-Four

Basics

Value: 82133 → 82134 → 82135

Parity: even

Prime: No

Previous Prime: 82129

Next Prime: 82139

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 13 ²

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 27, 39

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000011010110

Octal: 240326

Duodecimal: 3B646

Hexadecimal: 140d6

Square: 6745993956

Square Root: 286.5902999056318

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

Numbers n such that (φ(n) + σ(n))/(rad(n))² is an integer > 1 (φ=A000010, σ=A000203, rad=A007947). A97982

Numbers k such that (φ(k) + σ(k))/rad(k)² is an integer, that is (φ(k) + σ(k)) is divisible by every prime factor of k squared. A121850

a(n) = ceiling(n*φ¹⁷), where φ is the golden ratio, A001622. A4972

Values of n such that n^a-+a are primes, a=7. A155022

Lower Pythagorean twins. A228876

Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 4 ones in any 3 X 3 X 3 subtriangle. A153931

Expansion of e.g.f. x·exp(3·x)*cosh(x). A82134

Almost covering numbers. A160560