Properties of the Number 84231

Eighty-Four Thousand Two Hundred Thirty-One

Basics

Value: 84230 → 84231 → 84232

Parity: odd

Prime: No

Previous Prime: 84229

Next Prime: 84239

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 191

Divisors: 1, 3, 7, 9, 21, 49, 63, 147, 191, 441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10100100100000111

Octal: 244407

Duodecimal: 408B3

Hexadecimal: 14907

Square: 7094861361

Square Root: 290.2257741827903

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

Structured meta-prism numbers, the n-th number from a structured n-gonal prism number sequence. A100177

Exponential Riordan array, defining orthogonal polynomials related to permutations without double falls. A182822

Partial sums of A246031. A255364

Numbers k such that the root-mean-square value of 1, 2, ..., k, i.e., sqrt((1/k)*∑_j=1..k j²), is an integer. A84231

a(n) = smallest number which can be expressed as the product of a number and its reversal in exactly n different ways. A66599