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Properties of the Number 13446

Thirteen Thousand Four Hundred Forty-Six

Basics

Value: 13445 → 13446 → 13447

Parity: even

Prime: No

Previous Prime: 13441

Next Prime: 13451

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 4 × 83

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 83

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010010000110

Octal: 32206

Duodecimal: 7946

Hexadecimal: 3486

Square: 180794916

Square Root: 115.95688854052612

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

Self-convolution of row n of array T given by A026552. A27272
Number of ways of writing n as the sum of 9 triangular numbers. A226253
T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281400
Sum of the n-th maximal run of adjacent (increasing by one at a time) non-perfect-powers. A375705
Incomplete γ Function at -3. A10843
T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235087
Number of maximal subsets of {1..n} containing no differences or quotients of pairs of distinct elements. A326491
Number of partitions p of n such that (number of even numbers in p) <= 2*(number of odd numbers in p). A241642
G.f. A(x) satisfies: A(x) = 1 + x2 * A(x/(1 - 6·x)) / (1 - 6·x). A351152
Number of partitions p of n such that (maximal multiplicity of the parts of p) < (number of distinct parts of p). A240305