Properties of the Number 78226

Seventy-Eight Thousand Two Hundred Twenty-Six

Basics

Value: 78225 → 78226 → 78227

Parity: even

Prime: No

Previous Prime: 78203

Next Prime: 78229

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 39113

Divisors: 1, 2, 39113, 78226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011000110010010

Octal: 230622

Duodecimal: 3932A

Hexadecimal: 13192

Square: 6119307076

Square Root: 279.6891131238397

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) = 2·n⁴ - floor(2^1/4*n)⁴. A257854

G.f. A(x) satisfies 1/x = ∑_n=-oo..+oo A(x)^3·n * (A(x)ⁿ - 1)^2·n. A378574

a(1) = 1, a(n+1) is the smallest odd multiple of a(n) (other than a(n) itself) in which the digits are alternately even and odd. A78226