Properties of the Number 12844

Twelve Thousand Eight Hundred Forty-Four

Basics

Value: 12843 → 12844 → 12845

Parity: even

Prime: No

Previous Prime: 12841

Next Prime: 12853

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 13 ² × 19

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 76, 169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001000101100

Octal: 31054

Duodecimal: 7524

Hexadecimal: 322c

Square: 164968336

Square Root: 113.33137253205751

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

Composites whose prime factorization in base 3 is an anagram of the number in base 3. A260047

Numbers equal to the sum of their aliquot parts, each of them increased by 4. A304277

a(n) = ∑_i=0..n digsum₅(i)⁴, where digsum₅(i) = A053824(i). A231671

a(n) = 19·n². A244631

Maximal coefficient of (1 - x) * (1 - x⁴) * (1 - x⁹) * ... * (1 - x^n²). A369728

Numbers k such that k and its reversal are both multiples of 19. A62907

Fourth column of (1,5)-Pascal triangle A096940. A96941

a(n) = 4·n*(21·n - 26). A263229

Smallest k > 0 with gcd(k, rev(k)) = n, where rev(k) is digit reversal of k and with sum of digits of k = n, or 0 if no such k exists. A333666

spt(n) - p(n): total number of smallest parts in all partitions of n minus the number of partitions of n. A215513