Properties of the Number 27247

Twenty-Seven Thousand Two Hundred Forty-Seven

Basics

Value: 27246 → 27247 → 27248

Parity: odd

Prime: No

Previous Prime: 27241

Next Prime: 27253

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 2477

Divisors: 1, 11, 2477, 27247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101001101111

Octal: 65157

Duodecimal: 13927

Hexadecimal: 6a6f

Square: 742399009

Square Root: 165.06665320409206

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

Expansion of c(x²+x³), c(x) the g.f. of A000108. A115178

Matrix 6th power of partition triangle A008284. A50300

a(0)=0, a(1)=1; thereafter a(n) = ceiling((3/2)^n-3*n*(n-1)). A120414

Number of triples {i,j,k}, i>1, j>1, k>1, such that i·j*k < n³. A37092

Denominators of continued fraction convergents to sqrt(857). A42655

a(n) = 225n² + 2n. A158228

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 15. A31693

Interprimes which are of the form s·prime, s=11. A75286

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1111-1000 pattern in any orientation. A146419

a(0) = 10; for n>0, a(n) is determined by the rule that the concatenation of the leading terms of the difference triangle is the same as the concatenation of the digits of the sequence, with a one-digit delay between the two concatenations. A309357