Properties of the Number 89891

Eighty-Nine Thousand Eight Hundred Ninety-One

Basics

Value: 89890 → 89891 → 89892

Parity: odd

Prime: Yes

Previous Prime: 89867

Next Prime: 89897

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 89891

Divisors: 1, 89891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111100100011

Octal: 257443

Duodecimal: 4402B

Hexadecimal: 15f23

Square: 8080391881

Square Root: 299.81827829537013

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

Primes formed by concatenating k, k, and 1 for k >= 1. A210511

Primes of the form 2·k² + 3. A201473

a(1) = 2; for n > 1, a(n) is the smallest prime > a(n-1) such that each successive digit in the concatenation of terms (that does not follow 9) is greater than the previous digit. A68827

Numbers k such that k and k² use only the digits 0, 1, 3, 8 and 9. A136852

Primes of the form 8n² + 3. A201611

Number of length n+3 0..6 arrays with no four elements in a row with pattern abba (possibly a=b) and new values 0..6 introduced in 0..6 order. A243031

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

Number of knots and links with unknotting (unlinking) number U=1. A89891