Properties of the Number -297

Two Hundred Ninety-Seven

Basics

Value: -298 → -297 → -296

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 11

Divisors: 1, 3, 9, 11, 27, 33, 99, 297

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101001

Octal: -451

Duodecimal: -209

Hexadecimal: -129

Square: 88209

Square Root: 17.233687939614086

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

(n+1)²*a(n+1) = (9n²+9n+3)*a(n) - 27·n²*a(n-1), with a(0) = 1 and a(1) = 3. A6077

Riordan array (1,c(-x)), where c(x) = g.f. of Catalan numbers. A99039

The differences x³ - y² of Danilov's subsequence of good Hall's examples A078933. A200218

Expansion of ∏_m>=1 ((1+q^2·m-1)/(1+q^2·m))³. A29840

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 10. A60029

Third convolution of A115140. A115142

Triangle of coefficients of Gaussian polynomials [2n+3,2]_q represented as finite sum of terms (1+q²)^k*q^g-k, where k = 0,1,...,g with g=2n+1. A267483

Expansion of ∏_k>=1 (1 - x^k)⁹. A10817

a(n) = a(n - 1) - 2·a(n - 2) + a(n - 3) - 2·a(n - 4) + a(n - 5). A122582

Shifted signed Catalan triangle T(n,k) = (-1)^*(n+k+1)*A009766(n,k-n+1) read by rows. A176239