Properties of the Number 27251

Twenty-Seven Thousand Two Hundred Fifty-One

Basics

Value: 27250 → 27251 → 27252

Parity: odd

Prime: No

Previous Prime: 27241

Next Prime: 27253

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 17 × 229

Divisors: 1, 7, 17, 119, 229, 1603, 3893, 27251

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101001110011

Octal: 65163

Duodecimal: 1392B

Hexadecimal: 6a73

Square: 742617001

Square Root: 165.0787690770682

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) = a(n-1) + a(floor(n/2)) + a(ceiling(n/2)). A131205

The number of partitions of n which represent Chomp positions with Sprague-Grundy value 10. A284784

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 17 ones. A31785

Numbers of partitions of 2n into n primes. A102108

Main diagonal of A332367, divided by 4. A332368

Expansion of (1/x) * Series_Reversion( x * (1 - x * (1 + x)²)² ). A389660

a(n) = Sum{a(k): k=0,1,2,...,n-4,n-2,n-1}; a(n-3) is not a summand; initial terms are 0,2,3. A49861

a(n) = ∑_k=0..n (k+1) * A026780(n, k). A27251