Properties of the Number -126500

One Hundred Twenty-Six Thousand Five Hundred

Basics

Value: -126501 → -126500 → -126499

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 ³ × 11 × 23

Divisors: 1, 2, 4, 5, 10, 11, 20, 22, 23, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110111000100100

Octal: -367044

Duodecimal: -61258

Hexadecimal: -1ee24

Square: 16002250000

Square Root: 355.6683848755748

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

Number triangle T(n,k)=(-1)^n-k*(3k+2)*C(3n+1, n-k)/(2n+k+2). A124821

Number of noncrossing trees with n edges and having degree of the root at least 2. A102893

Triangle, read by rows, such that the g.f. of column k = G(x)^2k+1 where G(x) = 1 + x·G(x)³ is the g.f. of A001764 (ternary trees). A143603

Triangle read by rows: T(n,k) is the number of noncrossing trees with n edges in which the maximum number of contiguous border edges starting from the root in counterclockwise direction is equal to k. A102593

Triangle read by rows: T(n,k) is the number of noncrossing trees with n edges in which the number of edges from the root to the first branch point is k. A102892

The Fuss-Catalan triangle of order 2, read by rows. Related to ternary trees. A355172

Expansion of ∏_k>=0 (1 + x^{5^k})^{5^(k+1}). A321357

Numbers n such that n² can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways. A54737

Tenth column (m=9) of convolution triangle A059594(n,m). A59598

Number of -n..n arrays x(0..4) of 5 elements with zero sum and no two or three adjacent elements summing to zero. A200432