Properties of the Number 1344

One Thousand Three Hundred Forty-Four

Basics

Value: 1343 → 1344 → 1345

Parity: even

Prime: No

Previous Prime: 1327

Next Prime: 1361

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁶ × 3 × 7

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000000

Octal: 2500

Duodecimal: 940

Hexadecimal: 540

Square: 1806336

Square Root: 36.66060555964672

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 that divide the (right) concatenation of all numbers <= k written in base 25 (most significant digit on left). A29470

Coefficients in expansion of Eisenstein series E₂ (also called E₁ or G₂). A6352

Jordan function J₂(n) (a generalization of φ(n)). A7434

Numbers that are divisible by the product of their digits. A7602

Triangle T(n,k) of number of rooted trees with n nodes and k leaves, 1 <= k <= n. A55277

Irregular triangle of multinomial coefficients of integer partitions read by rows (in Abramowitz and Stegun ordering) giving the coefficients of the cycle index polynomials for the symmetric groups S_n. A36039

Coefficients of list partition transform: reciprocal of an exponential generating function (e.g.f.). A133314

Generalized 12-gonal numbers: k*(5·k-4) for k = 0, +-1, +-2, ... A195162

Numbers that are divisible by exactly 8 primes counting multiplicity. A46310

a(n) = σ(n)*φ(n). A62354