Properties of the Number 90064

Ninety Thousand Sixty-Four

Basics

Value: 90063 → 90064 → 90065

Parity: even

Prime: No

Previous Prime: 90059

Next Prime: 90067

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 13 × 433

Divisors: 1, 2, 4, 8, 13, 16, 26, 52, 104, 208

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10101111111010000

Octal: 257720

Duodecimal: 44154

Hexadecimal: 15fd0

Square: 8111524096

Square Root: 300.1066477104431

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

Numbers k such that (31·10^k - 1)/3 is prime. A283112

Number of partially ordered sets ("posets") with n labeled elements (or labeled acyclic transitive digraphs). A1035

Number of partially ordered sets ("posets") with n unlabeled elements. A112

Reve's puzzle: number of moves needed to solve the Towers of Hanoi puzzle with 4 pegs and n disks, according to the Frame-Stewart algorithm. A7664

Tower of Hanoi with 5 pegs. A7665

The maximal norm of an additively indecomposable element in the real quadratic field Q(sqrt(D)), where D = A005117(n) is the n-th squarefree number. A387207

Minimal number of moves for the cyclic variant of the Towers of Hanoi for 3 pegs and n disks, with the final peg one step away. A5665

Number of additively indecomposable elements in the real quadratic field Q(sqrt(D)) up to multiplication by totally positive units, where D = A005117(n) is the n-th squarefree number. A387203

Discriminants of real quadratic fields in which every additively indecomposable element is a unit. A389888

Minimal number of moves for the cyclic variant of the Towers of Hanoi for 3 pegs and n disks, with the final peg two steps away. A5666