Properties of the Number 60

Sixty

Basics

Value: 59 → 60 → 61

Parity: even

Prime: No

Previous Prime: 59

Next Prime: 61

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

a(n) = σ(n), the sum of the divisors of n. Also called sigma₁(n). A203

Euler totient function φ(n): count numbers <= n and prime to n. A10

The positive integers. Also called the natural numbers, the whole numbers or the counting numbers, but these terms are ambiguous. A27

a(n) = n' = arithmetic derivative of n: a(0) = a(1) = 0, a(prime) = 1, a(m·n) = m·a(n) + n·a(m). A3415

The composite numbers: numbers n of the form x·y for x > 1 and y > 1. A2808

The nonnegative integers. A1477

The nonnegative even numbers: a(n) = 2n. A5843

Least integer of each prime signature A124832; also products of primorial numbers A002110. A25487

Numbers that are not squarefree. Numbers that are divisible by a square greater than 1. The complement of A005117. A13929

Smallest number with same prime signature as n. A46523

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