ℕ atory
Play Now

Properties of the Number 54865

Fifty-Four Thousand Eight Hundred Sixty-Five

Basics

Value: 54864 → 54865 → 54866

Parity: odd

Prime: No

Previous Prime: 54851

Next Prime: 54869

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 10973

Divisors: 1, 5, 10973, 54865

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 1101011001010001

Octal: 153121

Duodecimal: 27901

Hexadecimal: d651

Square: 3010168225

Square Root: 234.23279018958897

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

Number of vertices formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A331763
T(n,k) = Number of n X k 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal. A206838
T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal. A206900
T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column. A207290
Fourth row of Pascal-(1,5,1) array A081580. A81590
Number of partitions of {1,...,n} into blocks such that no even sized block is repeated. A115277
Number of 1 X n 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal. A206839
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 777", based on the 5-celled von Neumann neighborhood. A273532
a(n) = Fibonacci(n+1)2 + 4·Fibonacci(n). A57592
Numbers not divisible by any of their digits when written in base 9. A54865