Properties of the Number 8422

Eight Thousand Four Hundred Twenty-Two

Basics

Value: 8421 → 8422 → 8423

Parity: even

Prime: No

Previous Prime: 8419

Next Prime: 8423

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 4211

Divisors: 1, 2, 4211, 8422

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000011100110

Octal: 20346

Duodecimal: 4A5A

Hexadecimal: 20e6

Square: 70930084

Square Root: 91.77145525706781

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

Triangle of 2-Eulerian numbers. A144696

E.g.f. A(x) satisfies A(x) = exp(x(A(x)-2)). A97718

a(n) = n³ - 2·n² + 2·n + 1. A188947

a(n) is the number of distinct n-th powers of functions {1, 2, 3, 4, 5, 6} -> {1, 2, 3, 4, 5, 6}. A103950

Number of necklace compositions of n such that every restriction to a circular subinterval has a different sum. A325681

Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers. A333013

Number of (undirected) Hamiltonian cycles of the graph of the n-th Johnson solid. A343211

Sum of the even-indexed parts of all partitions of n. A207382

Numbers m > 3 such that m-1, m, m+1 belong to A307002. A340748

Number of nodes at n-th level in tree in which top node is 1; each node k has children labeled 1, 2, ..., (k+1)² at next level. A147780