Properties of the Number 2305

Two Thousand Three Hundred Five

Basics

Value: 2304 → 2305 → 2306

Parity: odd

Prime: No

Previous Prime: 2297

Next Prime: 2309

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 461

Divisors: 1, 5, 461, 2305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100000001

Octal: 4401

Duodecimal: 1401

Hexadecimal: 901

Square: 5313025

Square Root: 48.010415536631214

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 compositions of n if all summand runs are kept together. A274174

a(n) = 4·n² + 1. A53755

Coordination sequence for "cab" 3D uniform tiling formed from octahedra and truncated cubes. A299266

Diagonal in square spiral or maze arrangement of natural numbers. A80335

a(n) = n·2^n-1 + 1. A5183

Numbers k such that k, k+1 and k+2 are products of two primes. A56809

a(n) = ∑_{d divides n} d^{n/d + 1}. A78308

Sum of 10 nonzero 8th powers. A3388

Numbers k such that k, k+1 and k+2 have the same number of divisors. A5238