Properties of the Number 90385

Ninety Thousand Three Hundred Eighty-Five

Basics

Value: 90384 → 90385 → 90386

Parity: odd

Prime: No

Previous Prime: 90379

Next Prime: 90397

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 18077

Divisors: 1, 5, 18077, 90385

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10110000100010001

Octal: 260421

Duodecimal: 44381

Hexadecimal: 16111

Square: 8169448225

Square Root: 300.6409819036653

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

a(n) = n·F(n-1) + F(n), where F = A000045. A94588

Fibonacci sequence beginning 1, 21. A22391

Start with {1, x}, then at each step replace it with the set of all pairwise products and sums of its elements (an element can be paired with itself). a(n) gives the number of elements after n-th step. A382928

Maximal number of vertices of polytope P_T associated with any tree having n nodes. A90385