Properties of the Number 47309

Forty-Seven Thousand Three Hundred Nine

Basics

Value: 47308 → 47309 → 47310

Parity: odd

Prime: Yes

Previous Prime: 47303

Next Prime: 47317

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 47309

Divisors: 1, 47309

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100011001101

Octal: 134315

Duodecimal: 23465

Hexadecimal: b8cd

Square: 2238141481

Square Root: 217.50632174720806

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

Primes of form n² + n + 3. A27753

Prime numbers p not of the form 10·k+1 for which the quintic polynomial x⁵-x-1 modulus p is factorizable into five binomials. A135845

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 459", based on the 5-celled von Neumann neighborhood. A272289

Number of binary strings of length n whose only palindromic prefixes are "1" and "11". A307909

Minimal value of k>0 such that n⁷ + k² is a semiprime. A109202

Numbers that are congruent to {1, 3, 4, 5, 6} mod 7. A47309