Properties of the Number 84289

Eighty-Four Thousand Two Hundred Eighty-Nine

Basics

Value: 84288 → 84289 → 84290

Parity: odd

Prime: No

Previous Prime: 84263

Next Prime: 84299

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 31 × 2719

Divisors: 1, 31, 2719, 84289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100101000001

Octal: 244501

Duodecimal: 40941

Hexadecimal: 14941

Square: 7104635521

Square Root: 290.3256791949345

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 k concatenated with k+1 gives the product of two numbers which differ by 1. A116163

Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 5. A116124

Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j·x(i,j), j=1..2+1} nondecreasing, and column sums sum{i²*x(i,j), i=1..n+1} nondecreasing. A233361

Primes p such that the arithmetic mean of p and the next prime after p is a true prime power from A025475. A84289