Properties of the Number 47057

Forty-Seven Thousand Fifty-Seven

Basics

Value: 47056 → 47057 → 47058

Parity: odd

Prime: Yes

Previous Prime: 47051

Next Prime: 47059

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 47057

Divisors: 1, 47057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011111010001

Octal: 133721

Duodecimal: 23295

Hexadecimal: b7d1

Square: 2214361249

Square Root: 216.92625475031832

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 + 28561. A256841

Table whose n-th row lists the prime factors of the n-th Giuga number A007850(n). A236434

Numbers k such that A003415(σ(k)) = k, where A003415 is the arithmetic derivative, and σ is the sum of divisors of n. A342021

Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors. A216823

Largest prime factor of the n-th Giuga number A007850(n). A216824

Primes of the form p·q+4 where p and q are consecutive primes. A63442

Twin primes p, p+2 such that p+1 is a primary pseudoperfect number. A235139

Numbers k such that the continued fraction for sqrt(k) has period 91. A20430

Lesser twin primes p such that 4·p is the sum of two consecutive primes. A350736

Primes having only {0, 4, 5, 7} as digits. A386070