Properties of the Number 12848

Twelve Thousand Eight Hundred Forty-Eight

Basics

Value: 12847 → 12848 → 12849

Parity: even

Prime: No

Previous Prime: 12841

Next Prime: 12853

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 11 × 73

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 73, 88

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001000110000

Octal: 31060

Duodecimal: 7528

Hexadecimal: 3230

Square: 165071104

Square Root: 113.34901852243803

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

Poincaré series for hyperbolic reflection group with Coxeter diagram o-(4)-o---o-(5)-o. A265047

a(n) = T(2n+4,n), array T as in A055818. A55828

G.f.: ∑_n>=0 n! * 2^n*(n-1/2) * xⁿ / ∏_k=1..n (1 + k·2^k*x). A182507

a(n) = 2ⁿ - A143658(n). A101836

Number of compositions of 2n where the multiplicity of the first part equals n. A332051

a(n) is the determinant of the 2 X 2 matrix whose entries (when read by rows) are the n-th primes congruent to 1, 3, 5, 7 mod 8 respectively. A337145

Denominator of convergents to e + 1/e. A197221

Expansion of φ(-q³) / φ(-q²) in powers of q where φ() is a Ramanujan θ function. A262966

a(n) = (3·n+1)*(5·n+1). A144459

Number of nondecreasing arrangements of n+2 numbers in 0..6 with the last equal to 6 and each after the second equal to the sum of one or two of the preceding four. A189323