Properties of the Number -722

Seven Hundred Twenty-Two

Basics

Value: -723 → -722 → -721

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 ²

Divisors: 1, 2, 19, 38, 361, 722

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -1011010010

Octal: -1322

Duodecimal: -502

Hexadecimal: -2d2

Square: 521284

Square Root: 26.870057685088806

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 minus the Heinz number of the conjugate of the integer partition with Heinz number n. A352491

Triangle of coefficients of Gaussian polynomials [2n+7,6]_q represented as finite sum of terms (1+q²)^k*q^g-k, where k = 0,1,...,g with g=6n+3. A267486

Triangle formed by coefficients of the expansion of p(x,n) = (1+x-x²)ⁿ⁺¹*∑_{j >= 0} (2·j+1)ⁿ*(-x + x²)^j. A156918

Coefficient of·in the minimal polynomial of the continued fraction [1ⁿ,sqrt(6),1,1,...], where 1ⁿ means n ones. A266805

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^i-1, 2^j-1) (A144464). A204124

Expansion of (1-q)^k/∏_j=1..k (1-q^j) for k=12. A275643

a(n) = 4ⁿ*Euler(n, 1/4)*2^{valuation₂(n + 1}). A339058

Binomial transform of reflected pentanacci numbers A074062: a(n) = ∑_k=0..n(-1)^k*binomial(n, k)*A074062(k). A74826

Triangle read by rows: T(n, k) = (-1)^n+k * A060187(n+1, k+1). A138076

Matrix inverse of A060187. A171273