Properties of the Number 90634

Ninety Thousand Six Hundred Thirty-Four

Basics

Value: 90633 → 90634 → 90635

Parity: even

Prime: No

Previous Prime: 90631

Next Prime: 90641

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 45317

Divisors: 1, 2, 45317, 90634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001000001010

Octal: 261012

Duodecimal: 4454A

Hexadecimal: 1620a

Square: 8214521956

Square Root: 301.0548122850721

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

Number of length n+3 0..n arrays with no four elements in a row with pattern abba (possibly a=b) and new values 0..n introduced in 0..n order. A243026

Number of length n+3 0..7 arrays with no four elements in a row with pattern abba (possibly a=b) and new values 0..7 introduced in 0..7 order. A243032

T(n,k)=Number of length n+3 0..k arrays with no four elements in a row with pattern abba (possibly a=b) and new values 0..k introduced in 0..k order. A243033

Start with the sequence [1, 1/2, 1/3, ..., 1/n]; form new sequence of n-1 terms by taking averages of successive terms; repeat until reach a single number F(n); a(n) = denominator of F(n). A90634