Properties of the Number -4238

Two Hundred Thirty-Eight

Basics

Value: -4239 → -4238 → -4237

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 13 × 163

Divisors: 1, 2, 13, 26, 163, 326, 2119, 4238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000010001110

Octal: -10216

Duodecimal: -2552

Hexadecimal: -108e

Square: 17960644

Square Root: 65.09992319503918

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

Row sums of triangle A104505, which is equal to the right-hand side of the triangle A084610 of coefficients in (1+x-x²)ⁿ. A104507

Number of unimodular 2 X 2 matrices having all terms in {0,1,...,n}. A210000

Numbers k such that A102489(k) is divisible by k. A32563

Coordination sequence for (2,5,5) tiling of hyperbolic plane. A265064

T(n,k)=Number of nondecreasing arrangements of n nonzero numbers in -(n+k-2)..(n+k-2) with sum zero. A188333

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically. A207254

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically. A207808

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207858

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically. A207949

a(n) = ∑_i=1..n ∑_j=1..i (prime(i) - prime(j)). A62020