Properties of the Number 12341

Twelve Thousand Three Hundred Forty-One

Basics

Value: 12340 → 12341 → 12342

Parity: odd

Prime: No

Previous Prime: 12329

Next Prime: 12343

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 41 × 43

Divisors: 1, 7, 41, 43, 287, 301, 1763, 12341

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

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Representations

Binary: 11000000110101

Octal: 30065

Duodecimal: 7185

Hexadecimal: 3035

Square: 152300281

Square Root: 111.09005356016353

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

Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n*(n+1)*(n+2)/6. A292

a(n) = 1² + 3² + 5² + 7² + ... + (2·n-1)² = n*(4·n² - 1)/3. A447

Number of integer partitions of n having a unique part of least multiplicity. A362610

Numbers k for which 8·R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A96508

17-gonal (or heptadecagonal) numbers: a(n) = n*(15·n-13)/2. A51869

E.g.f.: exp(x)/(1-x)⁴. A95000

Odd tetrahedral numbers: a(n) = (4·n+1)*(4·n+2)*(4·n+3)/6. A15219

Square array read by antidiagonals: form the Euler-Seidel matrix for the sequence {k!} and then divide column k by k!. A143409

a(n) = 2·binomial(10·n+4,n)/(5·n+2). A234527

a(n) = 7·n² + 14·n. A67727