Properties of the Number -7238

Two Hundred Thirty-Eight

Basics

Value: -7239 → -7238 → -7237

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 11 × 47

Divisors: 1, 2, 7, 11, 14, 22, 47, 77, 94, 154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110001000110

Octal: -16106

Duodecimal: -4232

Hexadecimal: -1c46

Square: 52388644

Square Root: 85.07643622061282

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 ∏_k>=1 (1 - x^k/(1 + x)). A307601

Expansion of (1-x)/(1-x+2·x²+x³). A78021

Numbers whose sum of divisors is a cube. A20477

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 8 as largest digit. A257368

Triangle of numbers of semi-meanders of order n with k components. A46726

a(n) = floor( (4/3)*π*n³ ). A66645

Triangle read by rows: T(n,k) is the number of rooted ordered trees with node weights summing to n, where the root has weight 0, non-root node weights are in {1,..,k}, and no nodes have the same weight as their parent node. A384747

Number of n-dimensional partitions of 6. A42984

In base 2: smallest integer which requires n 'Reverse and Add' steps to reach a palindrome. A66058

a(n) = floor(surface area of a sphere with radius n). A66644