Properties of the Number 25382

Twenty-Five Thousand Three Hundred Eighty-Two

Basics

Value: 25381 → 25382 → 25383

Parity: even

Prime: No

Previous Prime: 25373

Next Prime: 25391

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 ³ × 37

Divisors: 1, 2, 7, 14, 37, 49, 74, 98, 259, 343

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001100100110

Octal: 61446

Duodecimal: 12832

Hexadecimal: 6326

Square: 644245924

Square Root: 159.3172934743746

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

Number of regions in regular n-gon which are quadrilaterals (4-gons) when all its diagonals are drawn. A67151

a(n) = 7·a(n-1) -14·a(n-2) +7·a(n-3), with a(0)=1, a(1)=2, a(2)=7. A215143

a(n) = n*(n² + 3)/2. A229183

a(n) = (1/3ⁿ) * ∑_k=0..n³ ( (binomial(n³, k) * 2^k) (mod 3ⁿ) ). A376536

Expansion of ∏_k>=1 1/(1 - x^k)^A007434(k). A301875

Number of integers in n-th generation of tree T(-1/4) defined in Comments. A274149

a(n) = [ a(n-1)/a(1) ] + [ a(n-3)/a(3) ] + [ a(n-5)/a(5) ] + ..., for n >= 3. A22866

Number of (n+2) X (6+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and in every diagonal and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252693

Number of (n+2) X (7+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and in every diagonal and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252694

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and in every diagonal and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252695