Properties of the Number 25800

Twenty-Five Thousand Eight Hundred

Basics

Value: 25799 → 25800 → 25801

Parity: even

Prime: No

Previous Prime: 25799

Next Prime: 25801

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 ² × 43

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010011001000

Octal: 62310

Duodecimal: 12B20

Hexadecimal: 64c8

Square: 665640000

Square Root: 160.6237840420901

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

Square array A(row,col) read by antidiagonals: A(1,col) = A256450(col-1), and for row > 1, A(row,col) = A255411(A(row-1,col)); Dispersion of factorial base shift A255411 (array transposed). A257503

Square array A(row,col): A(row,1) = A256450(row-1), and for col > 1, A(row,col) = A255411(A(row,col-1)); Dispersion of factorial base shift A255411. A257505

Triangle read by rows, related to A108283. A108284

G.f. satisfies A(x) = A(x²)*A(x³) / (1-x). A382126

Sum of first prime(n) primes. A22094

Expansion of (5 - 9·x + 6·x²)/(1-x)⁴. A80957

Average of twin prime pairs that is a product of two averages of twin prime pairs. A307758

Average of a twin prime pair which is the sum of the first k primes, for some k. A366205

Integer solutions to n⁴ = x³ + y² (values of·sorted by n). A221744

Terms of A007504 divisible by 3. A249679