Properties of the Number 33281

Thirty-Three Thousand Two Hundred Eighty-One

Basics

Value: 33280 → 33281 → 33282

Parity: odd

Prime: No

Previous Prime: 33247

Next Prime: 33287

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 23 × 1447

Divisors: 1, 23, 1447, 33281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000001000000001

Octal: 101001

Duodecimal: 17315

Hexadecimal: 8201

Square: 1107624961

Square Root: 182.43080880158374

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

Sums of distinct powers of 8. A33045

Sums of 3 distinct powers of 8. A38485

Numerators of continued fraction convergents to sqrt(65). A41112

Numerators of continued fraction convergents to sqrt(585). A42120

a(n) = 128n² + 2336n + 10657. A157433

a(n) = 2048n² + 128n + 1. A157476

x-values in the solution to x² - 65·y² = 1. A176368

Least number k such that (n!+k)/n and (n!-k)/n are both prime. A245697

Numerators of continued fraction convergents to sqrt(260). A41486

a(n) = 128·n² + 32·n + 1. A157337