Properties of the Number -58

Fifty-Eight

Basics

Value: -59 → -58 → -57

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 29

Divisors: 1, 2, 29, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111010

Octal: -72

Duodecimal: -4A

Hexadecimal: -3a

Square: 3364

Square Root: 7.615773105863909

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

Dirichlet inverse of Euler totient function (A000010). A23900

Abundance of n, or (sum of divisors of n) - 2n. A33880

a(n) = (-1)ⁿ⁺¹ * n. A181983

Expansion of square root of q times normalized Hauptmodul for γ(4) in powers of q⁸. A29838

a(n) = μ(n)*φ(n) where μ(n) is the Mobius function (A008683) and φ(n) is the Euler totient function (A000010). A97945

Difference between n' and n, where n' is the arithmetic derivative of n (A003415). A168036

Dirichlet inverse of the deficiency of n, A033879. A323910

Imaginary part of the sum of divisors function σ(n) generalized for Gaussian integers. A103229

a(n) = A326126(n) - n, where A326126 gives the sum of all other divisors of n except the squarefree part of n. A326127

a(n) = -n. A1489