Properties of the Number 47889

Forty-Seven Thousand Eight Hundred Eighty-Nine

Basics

Value: 47888 → 47889 → 47890

Parity: odd

Prime: No

Previous Prime: 47881

Next Prime: 47903

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 313

Divisors: 1, 3, 9, 17, 51, 153, 313, 939, 2817, 5321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101100010001

Octal: 135421

Duodecimal: 23869

Hexadecimal: bb11

Square: 2293356321

Square Root: 218.8355546980426

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

T(n,k) is the number of -k..k arrays of n elements with first, second and third differences also in -k..k. A202124

Numbers n such that n-1, n and n+1 can be expressed as a sum of 2 squares in at least 2 ways. A91459

Number of -3..3 arrays of n elements with first, second and third differences also in -3..3. A202119

Numbers that set a new integer record for the ratio between the product and the sum of their digits. A240520

Number of permutations in S_n with longest increasing subsequence of length <= 4. A47889