Properties of the Number 80692

Eighty Thousand Six Hundred Ninety-Two

Basics

Value: 80691 → 80692 → 80693

Parity: even

Prime: No

Previous Prime: 80687

Next Prime: 80701

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 20173

Divisors: 1, 2, 4, 20173, 40346, 80692

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011101100110100

Octal: 235464

Duodecimal: 3A844

Hexadecimal: 13b34

Square: 6511198864

Square Root: 284.0633732109791

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)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nXk array. A218823

Unmatched value maps: number of nX4 binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nX4 array. A218819

Unmatched value maps: number of nX5 binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nX5 array. A218820

a(n)=(-1)ⁿ⁺¹*det(M(n)) where M(n) is the n X n matrix M(i,j)=min(abs(i-j),i). A80692

Number of (n+1) X (4+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237245