Properties of the Number 27491

Twenty-Seven Thousand Four Hundred Ninety-One

Basics

Value: 27490 → 27491 → 27492

Parity: odd

Prime: No

Previous Prime: 27487

Next Prime: 27509

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 37 × 743

Divisors: 1, 37, 743, 27491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101101100011

Octal: 65543

Duodecimal: 13AAB

Hexadecimal: 6b63

Square: 755755081

Square Root: 165.80410127617472

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 11k = 6j² + 6j + 1. A106388

The minimum excess in the prime race of odious primes versus evil primes in the interval (2^n-1,2ⁿ). A127977

a(n) = time to the nearest second at the n-th instant (n>=0) when the hour and minute hands on a clock face coincide, starting at time 0:00. A335789

Numbers n such that n | 10ⁿ + 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ + 5ⁿ + 4ⁿ + 3ⁿ + 2ⁿ. A57287

Third column of Triangle A027478, constructed from the Stirling numbers of the first kind. A27491