Properties of the Number 7422

Seven Thousand Four Hundred Twenty-Two

Basics

Value: 7421 → 7422 → 7423

Parity: even

Prime: No

Previous Prime: 7417

Next Prime: 7433

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 1237

Divisors: 1, 2, 3, 6, 1237, 2474, 3711, 7422

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110011111110

Octal: 16376

Duodecimal: 4366

Hexadecimal: 1cfe

Square: 55086084

Square Root: 86.15103017375938

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 of distinct values produced from sums and products of n unity arguments. A48249

Numbers k such that the decimal digits of φ(k) are a permutation of those of k. A115921

Nonnegative integers n such that 2n² + 2n - 3 is square. A124124

T(n,k)=Number of nXk 0..n+k-2 arrays with each element differing from its horizontal and vertical neighbors by one or two. A265458

Numbers which are the sum of their proper divisors containing the digit 7. A59466

a(n) = 2·a(n-1) + a(n-2) + 1, a(0) = 1, a(1) = 2. A98790

Maximum number of regions defined by n zigzag-lines in the plane when a zigzag-line is defined as consisting of two parallel infinite half-lines joined by a straight line segment. A117625

Number of partitions of n such that (greatest part) - (least part) <= number of parts. A237831

Number of primes p < 10ⁿ such that 4·p+1 is also prime. A182265

McKay-Thompson series of class 20F for Monster. A58555