Properties of the Number 78800

Seventy-Eight Thousand Eight Hundred

Basics

Value: 78799 → 78800 → 78801

Parity: even

Prime: No

Previous Prime: 78797

Next Prime: 78803

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 5 ² × 197

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011001111010000

Octal: 231720

Duodecimal: 39728

Hexadecimal: 133d0

Square: 6209440000

Square Root: 280.713376952364

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

Greatest number m such that the fractional part of (π-2)^A153719(m) >= 1-(1/m). A153723

T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors and with new values introduced in order 0 sequentially upwards. A280362

1/4 the number of (n+1) X 6 0..2 arrays with every 2 X 2 subblock having distinct edge sums. A209379

Number of (n+2) X (1+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically. A253360

Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors and with new values introduced in order 0 sequentially upwards. A280358

Number of nX5 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors and with new values introduced in order 0 sequentially upwards. A280360

T(n,k)=1/4 the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having distinct edge sums. A209382

Sum of end-to-end Manhattan distances over all self-avoiding walks on square lattice trapped after n steps. A78800