Properties of the Number 84861

Eighty-Four Thousand Eight Hundred Sixty-One

Basics

Value: 84860 → 84861 → 84862

Parity: odd

Prime: No

Previous Prime: 84859

Next Prime: 84869

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 449

Divisors: 1, 3, 7, 9, 21, 27, 63, 189, 449, 1347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10100101101111101

Octal: 245575

Duodecimal: 41139

Hexadecimal: 14b7d

Square: 7201389321

Square Root: 291.30911417255726

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

G.f. satisfies: A(x) = 1 + x*[d/dx 1/(1 - x·A(x))]. A209881

G.f. A(x) satisfies: [xⁿ] A(x)ⁿ = [xⁿ] A(x)^n-1 for n>1 with A(0)=A'(0)=1. A158882

Expansion of (1-3·x+4·x²-3·x³+x⁴)/(1-2·x)². A84861