Properties of the Number -257500

Two Hundred Fifty-Seven Thousand Five Hundred

Basics

Value: -257501 → -257500 → -257499

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 ⁴ × 103

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 103

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110110111011100

Octal: -766734

Duodecimal: -105024

Hexadecimal: -3eddc

Square: 66306250000

Square Root: 507.444578254611

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(0)=1, a(1)=2, a(n) = a(n-1)*9/2 - Catalan(n-1) where Catalan(n) = binomial(2n,n)/(n+1) = A000108(n). A67336

Square array read by antidiagonals: T(n,k)=T(n,k-1)*n²/(n-1)-Catalan(k-1) with a(n,1)=n-1 and a(1,k)=0 where Catalan(k)=C(2k,k)/(k+1)=A000108(k). A67346