Properties of the Number 25126

Twenty-Five Thousand One Hundred Twenty-Six

Basics

Value: 25125 → 25126 → 25127

Parity: even

Prime: No

Previous Prime: 25121

Next Prime: 25127

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 17 × 739

Divisors: 1, 2, 17, 34, 739, 1478, 12563, 25126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001000100110

Octal: 61046

Duodecimal: 1265A

Hexadecimal: 6226

Square: 631315876

Square Root: 158.5118292115765

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

G.f.: exp( ∑_n>=1 A000204(n)⁸ * xⁿ/n ) where A000204 is the Lucas numbers. A203808

Number of multiples of 3 in 0..2ⁿ-1 with an even sum of base-2 digits. A36557

Expansion of (1 - 5·x + 5·x²)/((1-x)*(1-3·x)*(1-4·x)). A85282

a(n) = ∑_{2·i+3·j=n, 0<=i<=n, 0<=j<=n} n!/( (2·i)!*(3·j)! ). A94715

The number of homogeneous trisubstituted linear alkanes. A159938

Expansion of x²*(1-x)³/((1-2·x)*(1-x+x²)*(1-3·x+3x²)). A227430

Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250780

Number of (7+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250789

Numbers of the form x³ + SumOfCubedDigits(x). A225051

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250783