Properties of the Number 47161

Forty-Seven Thousand One Hundred Sixty-One

Basics

Value: 47160 → 47161 → 47162

Parity: odd

Prime: Yes

Previous Prime: 47149

Next Prime: 47189

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 47161

Divisors: 1, 47161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011100000111001

Octal: 134071

Duodecimal: 23361

Hexadecimal: b839

Square: 2224159921

Square Root: 217.16583525039107

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 the form 2·n² + 70·n + 33. A217499

a(1) = 1, a(n+1) is the sum of a(n) and ceiling( arithmetic mean of a(1) ... a(n) ). A65095

Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3. A318527

Prime numbers p such that p +- ((p-1)/6) are primes. A137724

Smallest of 4 consecutive prime numbers that when represented as a simple continued fraction, generates prime numbers in the numerator and denominator, when reduced. A270884

Primes k such that the concatenation of (b, k, b) and (k, b, k) are both prime, where b is the binary representation of k. A389801

6 consecutive primes differ by 2n or more starting at a(n). A54689

a(n) = 111·n² - 3123·n + 10753. A211607

Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= n/2. A47161