Properties of the Number -23618

Twenty-Three Thousand Six Hundred Eighteen

Basics

Value: -23619 → -23618 → -23617

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 ² × 241

Divisors: 1, 2, 7, 14, 49, 98, 241, 482, 1687, 3374

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -101110001000010

Octal: -56102

Duodecimal: -11802

Hexadecimal: -5c42

Square: 557809924

Square Root: 153.68148880070103

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

a(0) = 1; for n > 0, a(n) = 41·n² + 2. A206399

Records in A210693. A391870

Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207143

Number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207145

Number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207147

Number of n-bead necklaces labeled with numbers -2..2 not allowing reversal, with sum zero and first and second differences in -2..2. A209001

Numbers k such that 373·2^k+1 is prime. A323027