Properties of the Number -20346

Twenty Thousand Three Hundred Forty-Six

Basics

Value: -20347 → -20346 → -20345

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 3391

Divisors: 1, 2, 3, 6, 3391, 6782, 10173, 20346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111101111010

Octal: -47572

Duodecimal: -B936

Hexadecimal: -4f7a

Square: 413959716

Square Root: 142.63940549511554

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

Number A(n,k) of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A262163

Number of connected simple graphs with n vertices, n+5 edges, and vertex degrees no more than 4. A112425

Number of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= 3. A262165

Numerators of continued fraction convergents to sqrt(758). A42460

The number of orbits in S_n by the action of Foata's bijection. A195931

Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 8. A245148

a(n) = a(n-1) + prime(a(n-1)) + 1 for n > 1, with a(1) = 1. A391616