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Properties of the Number 21362

Twenty-One Thousand Three Hundred Sixty-Two

Basics

Value: 21361 → 21362 → 21363

Parity: even

Prime: No

Previous Prime: 21347

Next Prime: 21377

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 11 × 971

Divisors: 1, 2, 11, 22, 971, 1942, 10681, 21362

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101001101110010

Octal: 51562

Duodecimal: 10442

Hexadecimal: 5372

Square: 456335044

Square Root: 146.15744934829698

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

Difference between the arithmetic mean of the neighbors of the terms and the term itself follows the pattern 0,1,2,3,4,5,... A86514
Numerators of continued fraction convergents to sqrt(6). A41006
Triangle T(n,k) read by rows: T(n,k) is the number of length-n ascent sequences with exactly k descents. A238858
Number of ways to place 6 nonattacking queens on a 6 X n board. A61992
Same rule as Aitken triangle (A011971) except a(0,0)=1, a(1,0)=0. A46934
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A298195
Number of ways to place m nonattacking queens on an m X n board, 1 <= m <= n (triangular array). A269133
The profiles of the backtrack tree for the n queens problem, triangle read by rows. A319284
Number of integer compositions of n whose parts have weakly decreasing numbers of distinct prime factors (A001221). A358902
Triangle read by rows in which row n lists numbers k such that the greatest prime factor of k2 + 2 is A033203(n), the n-th prime not congruent to 5 or 7 mod 8. A379350