Properties of the Number -250425

Two Hundred Fifty Thousand Four Hundred Twenty-Five

Basics

Value: -250426 → -250425 → -250424

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 ² × 7 × 53

Divisors: 1, 3, 5, 7, 9, 15, 21, 25, 27, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -111101001000111001

Octal: -751071

Duodecimal: -100B09

Hexadecimal: -3d239

Square: 62712680625

Square Root: 500.4248195283683

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) = ∑_{k=0..floor(n/5)} binomial(n+4,5·k+4) * Catalan(k). A360047

Triangular array read by rows: T(n, k) = S(n, [n/2]-k) and S(n,k) = C(n, 2·k)*(2·k-1)!!*((2·k-1)!! + 1)/2, n>=0, 0<=k<=[n/2]. A246257