Properties of the Number 68385

Sixty-Eight Thousand Three Hundred Eighty-Five

Basics

Value: 68384 → 68385 → 68386

Parity: odd

Prime: No

Previous Prime: 68371

Next Prime: 68389

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 47 × 97

Divisors: 1, 3, 5, 15, 47, 97, 141, 235, 291, 485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101100100001

Octal: 205441

Duodecimal: 336A9

Hexadecimal: 10b21

Square: 4676508225

Square Root: 261.5052580733321

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

T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A222986

a(n) = 6144·n⁴ - 29184·n³ + 52416·n² - 41840·n + 12465. A272132

a(n) is the number of reducible monic quintic polynomials (x⁵ + r·x⁴ + s·x³ + t·x² + u·x + v) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u), abs(v) <= n). A358400

Number of nX4 0..2 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A222982

Number of 5Xn 0..2 arrays with no more than floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A222990

Number of nX3 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A298082

Number of groups of order n that are not 2-generated. A68385

Number of R&E Family matchings on n edges. A256337