Properties of the Number 47305

Forty-Seven Thousand Three Hundred Five

Basics

Value: 47304 → 47305 → 47306

Parity: odd

Prime: No

Previous Prime: 47303

Next Prime: 47309

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 9461

Divisors: 1, 5, 9461, 47305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011100011001001

Octal: 134311

Duodecimal: 23461

Hexadecimal: b8c9

Square: 2237763025

Square Root: 217.4971264177989

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

T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 0, 2 or 4 king-move neighboring 1s. A296725

Denominators of continued fraction convergents to sqrt(330). A41623

a(n) = n! + ∑_k=1..n-1 (n-k)*k! = n! + A014145(n-1); for n >= 2, number of m such that any two consecutive digits of the base-n expansion of m differ by 1 after arranging the digits in decreasing order. A370369

Numbers k such that (32·10^k-1 - 23)/9 is a plateau prime. A82707

Number of n X 3 0..1 arrays with each 1 adjacent to 0, 2 or 4 king-move neighboring 1s. A296720

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 0), (0, 1, -1), (1, 0, 1), (1, 1, -1)}. A149437

Number of 4X4 0..n arrays with rows and columns in lexicographically nondecreasing order. A229797

Numbers that are congruent to {2, 3, 4, 5, 6} mod 7. A47305