Properties of the Number 12261

Twelve Thousand Two Hundred Sixty-One

Basics

Value: 12260 → 12261 → 12262

Parity: odd

Prime: No

Previous Prime: 12253

Next Prime: 12263

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 61 × 67

Divisors: 1, 3, 61, 67, 183, 201, 4087, 12261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111100101

Octal: 27745

Duodecimal: 7119

Hexadecimal: 2fe5

Square: 150332121

Square Root: 110.72939989000211

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 ∏_k>=1 1/(1 - A000009(k)*x^k). A270995

a(n) = 3*(2ⁿ-1) - 2·n. A50488

X-toothpick sequence on Z³ lattice (see Comments for precise definition). A160170

Expansion of (-1 + ∏_k>=1 1 / (1 + (-x)^k))⁵. A341244

Number of integer partitions of n - 1 containing fewer 1's than any other part. A364159

Expansion of (1-x)^-1/(1 - x - 2·x² + 2·x³). A77866

Numerators of convergents to A058914. A48817

On a 2 X n grid of vertices, draw a circle through every unordered triple of non-collinear vertices: a(n) is the number of distinct (finite) regions created. A384702

a(n) = 6·2ⁿ - 2·n - 5. A142964

Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 4. A210376