Properties of the Number 486

Four Hundred Eighty-Six

Basics

Value: 485 → 486 → 487

Parity: even

Prime: No

Previous Prime: 479

Next Prime: 487

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 111100110

Octal: 746

Duodecimal: 346

Hexadecimal: 1e6

Square: 236196

Square Root: 22.045407685048602

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

3-smooth numbers: numbers of the form 2ⁱ*3^j with i, j >= 0. A3586

Numbers all of whose prime divisors are consecutive primes starting at 2. A55932

Pisot sequences E(2,6), L(2,6), P(2,6), T(2,6). A8776

a(n) = n*φ(n). A2618

Sum of positive integers in smallest positive reduced residue system modulo n. a(1) = 1 by convention. A23896

a(2n) = 3ⁿ, a(2n+1) = 2·3ⁿ. A38754

Triangular array: the fusion of (x+1)ⁿ and (x+2)ⁿ; see Comments for the definition of fusion. A193722

a(n) = max{(n - i)*a(i) : i < n}; a(0) = 1. A792

Numbers k of the form 2ⁱ*3^j, where i and j >= 1. A33845

a(0)=1; a(n) = 2·3^n-1 for n >= 1. A25192