Properties of the Number 12429

Twelve Thousand Four Hundred Twenty-Nine

Basics

Value: 12428 → 12429 → 12430

Parity: odd

Prime: No

Previous Prime: 12421

Next Prime: 12433

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1381

Divisors: 1, 3, 9, 1381, 4143, 12429

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010001101

Octal: 30215

Duodecimal: 7239

Hexadecimal: 308d

Square: 154480041

Square Root: 111.48542505637228

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

Numbers k such that the fractional part of (3/2)^k decreases monotonically to zero. A81464

Numbers k such that the fractional part of (3/2)^k is less than 1/k. A153662

Number of 8's in all partitions of n. A24792

T(n,k) = number of (n+1) X (k+1) 0..2 arrays with no 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward or upward neighbors. A206277

Number of bargraphs of site-perimeter n. A75126

a(n) = n*(2·n² - 3·n + 4)/3. A37235

Number of cyclic compositions (necklaces of positive integers) summing to n with adjacent parts (including the last and first part) being indivisible (either way). A318730

G.f. A(x) satisfies A(x) = ( 1 + x·A(x)²/(1 + x·A(x)) )³. A378891

a(n) is the number of possible values of numbers of divisors of numbers k with ω(k) = n. A355027

Numbers k in A228058 such that also A001065(k) is in A228058. A325380