Properties of the Number 25867

Twenty-Five Thousand Eight Hundred Sixty-Seven

Basics

Value: 25866 → 25867 → 25868

Parity: odd

Prime: Yes

Previous Prime: 25849

Next Prime: 25873

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 25867

Divisors: 1, 25867

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010100001011

Octal: 62413

Duodecimal: 12B77

Hexadecimal: 650b

Square: 669101689

Square Root: 160.8322107041994

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

Rounded volume of a regular octahedron with edge length n. A71400

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296272

Seventh prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238679

Prime partial sums of the primes == 5 (mod 6). A354573

a(n) is the smallest prime 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. A64023

Primes that are anagrams of Fibonacci numbers. A162390

Primes p such that q·p +- (p mod q) are primes, for q=8. A178416

a(n) is the largest integer k such that A345073(k) = n. A345074

a(n) is the least prime not already used such that the frequencies of the decimal digits in the first n terms are almost equal, i.e., for any two digits, their numbers of occurrences differ by no more than 1. A110457

Primes p such that (p-1)*p*(p+1)-p+2 and (p-1)*p*(p+1)+p-2 are primes. A154944