Properties of the Number 20092

Twenty Thousand Ninety-Two

Basics

Value: 20091 → 20092 → 20093

Parity: even

Prime: No

Previous Prime: 20089

Next Prime: 20101

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5023

Divisors: 1, 2, 4, 5023, 10046, 20092

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111001111100

Octal: 47174

Duodecimal: B764

Hexadecimal: 4e7c

Square: 403688464

Square Root: 141.74625215503937

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

Expansion of 1/sqrt(1-4·x-64·x²). A98456

Number of rooted ordered trees with n non-root nodes such that the branch lengths are weakly increasing. A246565

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 4·x - (2·k*x)²). A387466

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 86 ones. A31854

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011

Numbers n such that 227·2ⁿ-1 is prime. A50865

Ceiling of γ(n+7/12)/γ(7/12). A20092