Properties of the Number 47870

Forty-Seven Thousand Eight Hundred Seventy

Basics

Value: 47869 → 47870 → 47871

Parity: even

Prime: No

Previous Prime: 47869

Next Prime: 47881

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 4787

Divisors: 1, 2, 5, 10, 4787, 9574, 23935, 47870

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101011111110

Octal: 135376

Duodecimal: 23852

Hexadecimal: bafe

Square: 2291536900

Square Root: 218.7921387984495

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

a(n) = 15 + floor((2 + ∑_j=1..n-1 a(j))/3). A120159

Number of length 5 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11. A254952

Numbers whose base-4 representation contains exactly four 2's and four 3's. A45157

Number of base 22 circular n-digit numbers with adjacent digits differing by 8 or less. A125457

T(n,k) is the number of length n 1..(k+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11. A254947

Smallest number that is not a sum of at most one power of each of the numbers 1 through n. A47870