Properties of the Number 78108

Seventy-Eight Thousand One Hundred Eight

Basics

Value: 78107 → 78108 → 78109

Parity: even

Prime: No

Previous Prime: 78101

Next Prime: 78121

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 23 × 283

Divisors: 1, 2, 3, 4, 6, 12, 23, 46, 69, 92

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: 10011000100011100

Octal: 230434

Duodecimal: 39250

Hexadecimal: 1311c

Square: 6100859664

Square Root: 279.4780850084672

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

Let u(1)=u(2)=1, u(3)=2n, u(k) = abs(u(k-1)-u(k-2)-u(k-3)) and M(k) = Max_i<=i<=k u(i), then for any k >= A078109(n), M(k) = floor(sqrt(k + a(n))). A78108

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,0,1,0,1 for x=0,1,2,3,4. A197675