Properties of the Number -28238

Twenty-Eight Thousand Two Hundred Thirty-Eight

Basics

Value: -28239 → -28238 → -28237

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 2017

Divisors: 1, 2, 7, 14, 2017, 4034, 14119, 28238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -110111001001110

Octal: -67116

Duodecimal: -14412

Hexadecimal: -6e4e

Square: 797384644

Square Root: 168.04166150095043

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

T(n,k)=Number of length n+1 0..k arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250646

Expansion of (1/x) * Series_Reversion( x / (1 + x³ * (1 + x)³) ). A389064

a(n) = 576·n² + 2·n. A158369

a(n) = 196·n² + 14. A158555

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 24. A31702

Smallest numbers m such that 2^m contains a string of n consecutive decreasing integers in its decimal representation. A238449

Number of length n+1 0..3 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250641

Number of length 7+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250651