Properties of the Number 78484

Seventy-Eight Thousand Four Hundred Eighty-Four

Basics

Value: 78483 → 78484 → 78485

Parity: even

Prime: No

Previous Prime: 78479

Next Prime: 78487

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7 × 2803

Divisors: 1, 2, 4, 7, 14, 28, 2803, 5606, 11212, 19621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011001010010100

Octal: 231224

Duodecimal: 39504

Hexadecimal: 13294

Square: 6159738256

Square Root: 280.1499598429384

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(1)=1, a(2)=2, a(3)=3; for n >= 3, a(n) is smallest number such that all a(i) for 1 <= i <= n are distinct, all a(i)+a(j) for 1 <= i < j <= n are distinct and all a(i)+a(j)+a(k) for 1 <= i < j < k <= n are distinct. A36241

Number of elements e in all partitions of n such that e divides n. A89251

Number of nonequivalent (mod D₈) ways to place 4 points on an n X n point grid so that no point is equally distant from two other points on the same row or the same column. A296999

Main diagonal of array in A358298. A358301

Numbers n such that xⁿ * (x+1)^n-1 + 1 is irreducible over GF(2). A268274

G.f.: -x*(1-2·x+2·x²)/(2·x³-4·x²+4·x-1). A78484