Properties of the Number 18282

Eighteen Thousand Two Hundred Eighty-Two

Basics

Value: 18281 → 18282 → 18283

Parity: even

Prime: No

Previous Prime: 18269

Next Prime: 18287

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 277

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 277, 554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011101101010

Octal: 43552

Duodecimal: A6B6

Hexadecimal: 476a

Square: 334231524

Square Root: 135.21094630243513

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically. A258522

Expansion of 1 / ((1 - x)⁷*(1 + x)²). A299335

Integers n > 7059 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 7059. A63058

Numbers k such that the total number of digits d in the numbers from 1 to k is even for each d from 0 to 9. A380642

Coordination sequence for α-Mn, Position Mn1. A9950

Number of primes between (prime(n + 1))^π and (prime(n))^π. A137380

G.f.: A(x) = 1+x + ∑_n>=2 ∏_k=1..n (A(x)^k - 1). A224885

a(n) = A253174(2ⁿ). A247085

Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically. A258518

Number of permutations of length n which avoid the patterns 321, 31245. A116851