Properties of the Number 47049

Forty-Seven Thousand Forty-Nine

Basics

Value: 47048 → 47049 → 47050

Parity: odd

Prime: No

Previous Prime: 47041

Next Prime: 47051

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 15683

Divisors: 1, 3, 15683, 47049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011111001001

Octal: 133711

Duodecimal: 23289

Hexadecimal: b7c9

Square: 2213608401

Square Root: 216.90781452036254

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

Triangle T(n,k) of number of strongly connected digraphs on n unlabeled nodes and with k arcs, k=0..n*(n-1). A57276

Number of ways of making change for n cents using coins of sizes 1, 2, 5, 10 cents, when order matters. A73031

Number of complete necklace compositions of n. A325786

a(n) is equal to the last point of a reverse pyramid summation with base 1, 2, 3, ..., n-2, n-1, n, n-1, n-2, ..., 3, 2, 1. A359087

Triangle read by rows where row n is the largest (or middle or n-th) column of the reverse pyramid summation of order n described in A359087. A360145

a(n) = n! * ∑_d∣n 1/((d-1)! * (n/d)^d). A370604

T(2n,n), array T as in A047040. A47049