Properties of the Number -23178

Twenty-Three Thousand One Hundred Seventy-Eight

Basics

Value: -23179 → -23178 → -23177

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 3863

Divisors: 1, 2, 3, 6, 3863, 7726, 11589, 23178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101010001010

Octal: -55212

Duodecimal: -114B6

Hexadecimal: -5a8a

Square: 537219684

Square Root: 152.24322645030878

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

Numbers whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once). A71519

Numbers n such that σ(n) is a Fibonacci number. A272412

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284165

Euler transform of A373216. A373297

Truncated octahedral numbers: 16·n³ - 33·n² + 24·n - 6. A5910

Expansion of 2*(1-x)*(2·x²+4·x+1) / (1-x-x²)². A271786

Number of n X 2 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284159

Numbers whose square contains all of the digits 1 through 9. A294661

Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal. A208947

Number of pairs in generation n of the tree T defined in Comments. A252864