Properties of the Number 25797

Twenty-Five Thousand Seven Hundred Ninety-Seven

Basics

Value: 25796 → 25797 → 25798

Parity: odd

Prime: No

Previous Prime: 25793

Next Prime: 25799

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 8599

Divisors: 1, 3, 8599, 25797

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010011000101

Octal: 62305

Duodecimal: 12B19

Hexadecimal: 64c5

Square: 665485209

Square Root: 160.61444517850816

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

Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse isosceles integer triangle with prime side lengths. A70135

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300321

a(n) = denominator of the continued fraction which has the positive divisors of n as its terms. The terms are written in order from 1 for the integer part, to n for the final term of the continued fraction. A127612

Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300317

Number of n X 6 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300319

a(1) = 1; a(n) = a(n-1) + ∑_k=2..n a(floor(n/k)). A351620

Consider the base-8 Kaprekar map n->K(n) defined in A165090. Sequence gives numbers belonging to cycles, including fixed points. A165095

Length of cycle mentioned in A165095. A165096

Balanced primes (A090403) of index 5. A96709

Balanced primes (A090403) of index 4. A96708