Properties of the Number 11604

Eleven Thousand Six Hundred Four

Basics

Value: 11603 → 11604 → 11605

Parity: even

Prime: No

Previous Prime: 11597

Next Prime: 11617

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 967

Divisors: 1, 2, 3, 4, 6, 12, 967, 1934, 2901, 3868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110101010100

Octal: 26524

Duodecimal: 6870

Hexadecimal: 2d54

Square: 134652816

Square Root: 107.72186407596185

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

a(n) = ∑_k=0..n A026626(n, k). A26633

Number of permutations p on the set [n] with the properties that abs(p(i)-i) <= 3 for all i and p(1) <= 2. A188494

Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of ways to select four points from an n X k grid so that three of them form a triangle of nonzero area and the extra point is strictly inside the triangle. A334709

Partial sums of A365412. A365442

Triangle read by rows: T(n,k) is the number of permutations of k elements from [1..n] without consecutive adjacent values. A338526

Triangular array giving number of labeled digraphs on n unisolated nodes and k=0..n*(n-1) arcs. A54547

a(n) is the number k such that 2^2k+1-1 = A000668(n+1). A146768

Smallest number k such that exactly half the numbers in [1..k] are prime(n)-smooth. A290154

Expansion of ∏_k>=1 (1 - q(k)*x^k), where q(k) = number of partitions of k into distinct parts (A000009). A304786

a(k) = card { i·j, i <= k, j <= lcm(1,2,3...,k) }. A101459