Properties of the Number 85984

Eighty-Five Thousand Nine Hundred Eighty-Four

Basics

Value: 85983 → 85984 → 85985

Parity: even

Prime: No

Previous Prime: 85933

Next Prime: 85991

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 2687

Divisors: 1, 2, 4, 8, 16, 32, 2687, 5374, 10748, 21496

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100111111100000

Octal: 247740

Duodecimal: 41914

Hexadecimal: 14fe0

Square: 7393248256

Square Root: 293.23028492978005

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)=Number of (n+1)X(k+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A238311

Number of (n+1) X (1+1) 0..3 arrays with the maximum minus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A238306

Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A238309

Decimal expansion of solution to e^x*(-1 + x) = (1 + x)/e^x. A85984