Properties of the Number 28491

Twenty-Eight Thousand Four Hundred Ninety-One

Basics

Value: 28490 → 28491 → 28492

Parity: odd

Prime: No

Previous Prime: 28477

Next Prime: 28493

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 9497

Divisors: 1, 3, 9497, 28491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111101001011

Octal: 67513

Duodecimal: 145A3

Hexadecimal: 6f4b

Square: 811737081

Square Root: 168.79277235711248

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 n with property that n² starts and ends with 81. A159775

a(n) = n-th π-based antiderivative of 7. A259168

Numbers k such that (3^k - 1)/2 is prime. A28491