Properties of the Number -60

Sixty

Basics

Value: -61 → -60 → -59

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100

Octal: -74

Duodecimal: -50

Hexadecimal: -3c

Square: 3600

Square Root: 7.745966692414834

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Generalized sum of divisors function: excess of sum of odd divisors of n over sum of even divisors of n. A2129

Coefficients of list partition transform: reciprocal of an exponential generating function (e.g.f.). A133314

T(n,0) = prime(n), T(n,k) = T(n,k-1)-T(n-1,k-1), 0<=k<n, triangle read by rows. A95195

Triangle read by rows: The n-th derivative of the logistic function written in terms of y, where y = 1/(1 + exp(-x)). A163626

Dirichlet inverse of σ function (A000203). A46692

Expansion of reciprocal of Hauptmodul for Gamma₀(18). A92848

a(0)=0; thereafter a(2n) = 2a(n), a(2n+1) = -2a(n) + 1. A65620

Triangle read by rows: terms T(n,k) of a binomial decomposition of n*(-1)ⁿ as Sum(k=0..n)T(n,k). A244141