Properties of the Number -263431

Two Hundred Sixty-Three Thousand Four Hundred Thirty-One

Basics

Value: -263432 → -263431 → -263430

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 37633

Divisors: 1, 7, 37633, 263431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000000010100000111

Octal: -1002407

Duodecimal: -108547

Hexadecimal: -40507

Square: 69395891761

Square Root: 513.255297098822

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 Matula tree is a binary tree (i.e., root has degree 2 and all nodes except root and leaves have degree 3). A111299

LAH transform of squares. A103194

Triangle read by rows: row n>=1 contains in increasing order the Matula numbers of the rooted binary trees with n leaves. A245824

Matula-Goebel numbers of unlabeled binary rooted semi-identity trees. A339193

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = ∑_j=0..n j^k * (n-j)! * binomial(n,j)². A341200

T(2n,n-4), T given by A026747. A26859

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1110-0111 pattern in any orientation. A146821