Properties of the Number -125476

One Hundred Twenty-Five Thousand Four Hundred Seventy-Six

Basics

Value: -125477 → -125476 → -125475

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 19 × 127

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 76, 127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110101000100100

Octal: -365044

Duodecimal: -60744

Hexadecimal: -1ea24

Square: 15744226576

Square Root: 354.22591661254825

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(n) = C(1,1) + C(3,2) + C(5,3) + ... + C(2·n-1,n). A79309

Number of nonempty subsets of {1..n} with median n/2. A361801

Zeroless numbers n such that n and n² have the same set of decimal digits. A257763

Expansion of (1+2x-sqrt(1-4x²))/(2(1-x²)*sqrt(1-4x²)). A174783

Fourth row of Pascal-(1,2,1) array A081577. A81584

Numbers k such that σ(k) = 2·k - τ(φ(k)). A392950

Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k horizontal segments (a horizontal segment is a maximal string of horizontal steps). A104549

Number of base pyramids in all length n left factors of Dyck paths. A191790

Number of (w,x,y,z) with all terms in {1,...,n} and w<x+y+z. A212090

a(n) = ∑_k=1..n-1 ((-1)^k+n+1*binomial(k,floor(k/2))). A332754