Properties of the Number 84391

Eighty-Four Thousand Three Hundred Ninety-One

Basics

Value: 84390 → 84391 → 84392

Parity: odd

Prime: Yes

Previous Prime: 84389

Next Prime: 84401

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 84391

Divisors: 1, 84391

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100110100111

Octal: 244647

Duodecimal: 40A07

Hexadecimal: 149a7

Square: 7121840881

Square Root: 290.5012908749288

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

Noncomposite numbers in the southwestern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American. A168026

Prime numbers p of the form 10k+1 for which the quintic polynomial x⁵-x-1 modulus p is factorizable into five binomials. A135842

Brazilian primes that are also the greater of a pair of twin primes. A306889

Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1000-1111 pattern in any orientation. A146601

10-adic integer·such that x⁹ == (10ⁿ-1)/9 mod 10ⁿ for all n. A225455

For n>3, a(n) = smallest number divisible by exactly n-2 previous terms; a(n)=n for n<=3. A84391