Properties of the Number 25889

Twenty-Five Thousand Eight Hundred Eighty-Nine

Basics

Value: 25888 → 25889 → 25890

Parity: odd

Prime: Yes

Previous Prime: 25873

Next Prime: 25903

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 25889

Divisors: 1, 25889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010100100001

Octal: 62441

Duodecimal: 12B95

Hexadecimal: 6521

Square: 670240321

Square Root: 160.90059042775448

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

a(n) = 3·a(n-1) + 2·a(n-2) for n>1, a(0)=2, a(1)=3. A206776

Sequence of 3 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle. A48295

Numbers n such that m=(n²+1)/2, p=(m²+1)/2 and q=(p²+1)/2 are all prime. A188546

Primes with digit sum = 32. A106768

Primes p such that 32p+1 and (p-1)/32 are both prime. A86476

McKay-Thompson series of class 21D for Monster. A58566

Primes p such that x⁴⁸ = 2 has no solution mod p, but x²⁴ = 2 has a solution mod p. A59669

McKay-Thompson series of class 21D for the Monster group with a(0) = 2. A226015

a(n) = n·A340339(n)+b, where b = 1 if n is even or 2 if n is odd. A340340

a(n) is the smallest value of m such that prod(m) = n·length(m)*sum(m) where prod(m) is the product of the digits of m, length(m) is the number of digits of m, sum(m) is the sum of the digits of m; or 0 if no such m exists. A64022