Properties of the Number 47871

Forty-Seven Thousand Eight Hundred Seventy-One

Basics

Value: 47870 → 47871 → 47872

Parity: odd

Prime: No

Previous Prime: 47869

Next Prime: 47881

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 197

Divisors: 1, 3, 9, 27, 81, 197, 243, 591, 1773, 5319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101011111111

Octal: 135377

Duodecimal: 23853

Hexadecimal: baff

Square: 2291632641

Square Root: 218.7944240605779

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

Lesser of two consecutive numbers each divisible by a fifth power. A68783

Expansion of (1+x) / (1-2·x-5·x²+2·x³). A384673

Decimal number representations of hexadecimal numbers whose form spells an American-English word found in a standard dictionary in lexicographic order. A132675

Decimal number representations of hexadecimal numbers whose form spells an American-English word found in a standard dictionary in numerical order. A132676

Numbers k that divide the (right) concatenation of all numbers <= k written in base 3 (most significant digit on left). A29448

Shifts left 3 places under "AIJ" (ordered, indistinct, labeled) transform. A32036

G.f. A(x) satisfies A(x)/(1 + A(x)) = -A(x³)/A(-x²). A389429

a(1)=0, a(1)=1, a(n+2)=abs(concatenate(a(n+1)a(n))-concatenate(a(n)a(n+1))). A70823

a(n) = smallest number > a(n-1) that is not a sum of exactly one power of each of the numbers 1 through n. A47871