Properties of the Number 93809

Ninety-Three Thousand Eight Hundred Nine

Basics

Value: 93808 → 93809 → 93810

Parity: odd

Prime: Yes

Previous Prime: 93787

Next Prime: 93811

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 93809

Divisors: 1, 93809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110111001110001

Octal: 267161

Duodecimal: 46355

Hexadecimal: 16e71

Square: 8800128481

Square Root: 306.28254929068356

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

List of primes p1 such that (p1,p2) are twin primes where both 2·p1+p2 and p1+2·p2 are primes. A174920

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..2 introduced in row major order. A204284

Smaller of 3 consecutive prime numbers such that p1·p2·p3+d1+d2-1=average of twin prime pairs, d1(δ)=p2-p1,d2(δ)=p3-p2. A153402

The lesser of twin primes p1 such that 2·p1 + p2 is a prime number (A174913) and also the lesser of other twin primes in A174913. A242772

Primes of the form k² + prime(k) + 1. A63461

Number of (n+2)X3 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..2 introduced in row major order. A204277

Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first differences in -n..n. A209033

Let m = A002445(n); then a(n) = largest member of A001359 (the lesser twin primes sequence) <= m. A156053

a[n] =a[n-1] + 2·n*Prime[n]-n². A93809