Properties of the Number 84238

Eighty-Four Thousand Two Hundred Thirty-Eight

Basics

Value: 84237 → 84238 → 84239

Parity: even

Prime: No

Previous Prime: 84229

Next Prime: 84239

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 11 × 547

Divisors: 1, 2, 7, 11, 14, 22, 77, 154, 547, 1094

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100100001110

Octal: 244416

Duodecimal: 408BA

Hexadecimal: 1490e

Square: 7096040644

Square Root: 290.23783350900345

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 60·R_k + 7 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56657

Column 3 of triangle A123610. A123613

a(2) = 1, and for n > 2 a(n) is the least k such that log(k) < k^1/n and log(k-1) >= (k-1)^1/n. A84238