Properties of the Number -79

Seventy-Nine

Basics

Value: -80 → -79 → -78

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 79

Divisors: 1, 79

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001111

Octal: -117

Duodecimal: -67

Hexadecimal: -4f

Square: 6241

Square Root: 8.888194417315589

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

G.f.: ∏_k>0 (1-x^5k-1)*(1-x^5k-4)/((1-x^5k-2)*(1-x^5k-3)). A7325

Square array A(n,k), n>=0, k>=0, read by antidiagonals: A(n,k) is the n-th term of the k-th differences of partition numbers A000041. A175804

Array read by downward antidiagonals where A(n,k) is the n-th term of the k-th differences of nonsquarefree numbers. A377046

Expansion of q^-1/12η(q)η(q⁶)/(η(q²)η(q³)) in powers of q. A109389

Alternating sum σ(1)-σ(2)+σ(3)-σ(4)+...+((-1)ⁿ⁺¹)*σ(n). A68762

Expansion of f(-x²)² * f(x, x²) / f(-x³)³ in powers of·where f(,) is a Ramanujan θ function. A132179

Triangle T(n,k) read by rows: coefficients of a polynomial sequence occurring when calculating the n-th derivative of Lambert function W. A42977

Signed denominators of Leibniz series for π/4. A157142

McKay-Thompson series of class 18D for the Monster group. A62242

FP1 polynomials related to the generating functions of the right hand columns of the A156920 triangle. A156921