Properties of the Number 90065

Ninety Thousand Sixty-Five

Basics

Value: 90064 → 90065 → 90066

Parity: odd

Prime: No

Previous Prime: 90059

Next Prime: 90067

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 18013

Divisors: 1, 5, 18013, 90065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101111111010001

Octal: 257721

Duodecimal: 44155

Hexadecimal: 15fd1

Square: 8111704225

Square Root: 300.10831378020833

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 primorial base expansion of A276086(k) has the primorial base expansion of A003415(k) as its suffix, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function. A383933

Number of irreducible chord diagrams with 2n nodes. A699

Number of topologically connected set partitions of {1,...,n}. A99947

Number of fullerenes with 2n vertices (or carbon atoms). A7894

Number of symmetric irreducible diagrams with 2n nodes. A4300

a(n) = floor(n·floor((n-1)/2)/3). A182079

Renyi-Ulam liar numbers: maximum k such that n questions "Is·in subset S of {1,...,k}?" are guaranteed to determine·when at most one answer can be a lie. A286496

The largest k such that an integer·between 1 and k (inclusive) can be guessed in at most n queries "is x < y?" with one lie. A325908

Numbers n such that there are (presumably) four palindromes in the Reverse and Add! trajectory of n. A90065

a(n) = 1 + a(n-1)*(A007018(n-1) + 1), with a(0) = 1. A334211