Properties of the Number 47668

Forty-Seven Thousand Six Hundred Sixty-Eight

Basics

Value: 47667 → 47668 → 47669

Parity: even

Prime: No

Previous Prime: 47659

Next Prime: 47681

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 17 × 701

Divisors: 1, 2, 4, 17, 34, 68, 701, 1402, 2804, 11917

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101000110100

Octal: 135064

Duodecimal: 23704

Hexadecimal: ba34

Square: 2272238224

Square Root: 218.33002542023394

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

Numbers n such that A242719(n) = (prime(n))²+1 and A242720(n) - A242719(n) = 2*(prime(n)+1). A246748

Least positive integer k such that prime(prime(k)), prime(prime(k·n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q. A261462

Nonprime numbers k such that σ(k) - ∑_j=1..m{σ(k) mod d_j} | k, where d_j is one of the m divisors of k. A282774

Number of nX3 0..1 arrays with every element equal to 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A298897

Row 4 of array in A047666. A47668