Properties of the Number 27493

Twenty-Seven Thousand Four Hundred Ninety-Three

Basics

Value: 27492 → 27493 → 27494

Parity: odd

Prime: No

Previous Prime: 27487

Next Prime: 27509

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 19 × 1447

Divisors: 1, 19, 1447, 27493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101101100101

Octal: 65545

Duodecimal: 13AB1

Hexadecimal: 6b65

Square: 755865049

Square Root: 165.81013238038258

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

a(n) = A026626(2·n-1, n-2). A26631

One of the two successive approximations up to 17ⁿ for 17-adic integer sqrt(-1). Here the 4 (mod 17) case (except for n=0). A286877

a(n) is smallest number such that a(n)² + 1 is divisible by 17ⁿ. A218710

a(n) = n*(n² + 3)/2. A229183

Smallest k such that k²+1 is divisible by A002144(n)⁴. A145297

Number of partitions of n into 8 distinct and relatively prime parts. A340719

Bases b for which there exists an integer y such that y³ in base b looks like [c,d,c,d] for some base-b digits c, d. A290176

Numerators of continued fraction convergents to sqrt(362). A41684

a(n) is the numerator of ∑_{k = 0..n} fusc(k)/fusc(k+1) (where fusc is Stern's diatomic series A002487). A355075

Number of polycubes of size n and symmetry class BE. A376977