Properties of the Number 78900

Seventy-Eight Thousand Nine Hundred

Basics

Value: 78899 → 78900 → 78901

Parity: even

Prime: No

Previous Prime: 78893

Next Prime: 78901

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 ² × 263

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011010000110100

Octal: 232064

Duodecimal: 397B0

Hexadecimal: 13434

Square: 6225210000

Square Root: 280.89143810376277

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

First differences of A160644. A160646

Consider recurrence b(0) = n/3, b(n) = b(0)*ceiling(b(n-1)); sequence gives first integer reached (or -1 if no integer is ever reached). A81852

Limiting values of A136564. A144047

Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 3 adjacent element pairs in decreasing order. A151608

Generalized Fermat numbers of the form (k+1)²^m + k²^m, with m>0. A78900