Properties of the Number 485

Four Hundred Eighty-Five

Basics

Value: 484 → 485 → 486

Parity: odd

Prime: No

Previous Prime: 479

Next Prime: 487

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 97

Divisors: 1, 5, 97, 485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111100101

Octal: 745

Duodecimal: 345

Hexadecimal: 1e5

Square: 235225

Square Root: 22.02271554554524

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

a(n) = n² + 1. A2522

Number of balanced partitions of n: the largest part equals the number of parts. A47993

Number of partitions of n into pairwise relatively prime parts. A51424

a(n) = 4·n² + 1. A53755

a(n) = 10·n + 5. A17329

Quarter-squares plus 1 (that is, a(n) = A002620(n) + 1). A33638

Exponents m with decreasing fractional part of (4/3)^m. A154130

a(0)=1, a(n) = 3·a(n-1) + 2; a(n) = 2·3ⁿ - 1. A48473

Nonprime numbers k such that binomial(k+p,k) mod k = 1, where p=10. A133630

a(n) = 10·a(n-1) - a(n-2); a(0) = 1, a(1) = 5. A1079