Properties of the Number 27347

Twenty-Seven Thousand Three Hundred Forty-Seven

Basics

Value: 27346 → 27347 → 27348

Parity: odd

Prime: No

Previous Prime: 27337

Next Prime: 27361

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 23 × 29 × 41

Divisors: 1, 23, 29, 41, 667, 943, 1189, 27347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101011010011

Octal: 65323

Duodecimal: 139AB

Hexadecimal: 6ad3

Square: 747858409

Square Root: 165.36928372584796

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 such that φ(n)=2*φ(n-1). A171271

Cubic star numbers: a(n) = n³ + 4*∑_i=0..n-1 i². A51673

Numbers that are the sum of eight fourth powers in exactly ten ways. A345842

Deficiency of prime-shifted squares: a(n) = 2·A003961(n²) - σ(A003961(n²)), where A003961 is fully multiplicative function with a(prime(i)) = prime(i+1). A378231

Least number k such that the determinant of the circulant matrix formed by its decimal digits is equal to k/n. A323485

Numerator of H(n+4) - H(n), where H(n) = ∑_k=1..n 1/k. A189642

Maximal non-semiprime number which is a "preprime" of the n-th kind (defined in comment in A247395). A247834

Partial sums of A334136. A332264

Numbers n such that φ(n + φ(n)) = σ(n). A74874

a(n) = A205110(n)/n. A205111