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Properties of the Number 13244

Thirteen Thousand Two Hundred Forty-Four

Basics

Value: 13243 → 13244 → 13245

Parity: even

Prime: No

Previous Prime: 13241

Next Prime: 13249

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 2 × 7 × 11 × 43

Divisors: 1, 2, 4, 7, 11, 14, 22, 28, 43, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001110111100

Octal: 31674

Duodecimal: 77B8

Hexadecimal: 33bc

Square: 175403536

Square Root: 115.08257904652642

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
Sum of the first n even squares: a(n) = 2·n*(n+1)*(2·n+1)/3. A2492
Row sums of A168281. A168380
Expansion of ∑k>0 x2·k/(1-xk)4. A363604
1/6 of product of three numbers: n-th prime, previous and following number. A127920
a(n) = ∑k=1..n-1 lcm(k,n-k). A6580
14 times triangular numbers. A163756
a(n) = binomial(3·n+2,3). A228888
Expansion of ∑k>0 x2·k/(1+xk)4. A363598
a(n) = binomial coefficient C(n,41). A10994