Properties of the Number 26189

Twenty-Six Thousand One Hundred Eighty-Nine

Basics

Value: 26188 → 26189 → 26190

Parity: odd

Prime: Yes

Previous Prime: 26183

Next Prime: 26203

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 26189

Divisors: 1, 26189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011001001101

Octal: 63115

Duodecimal: 131A5

Hexadecimal: 664d

Square: 685863721

Square Root: 161.83015788165073

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

Primes that remain prime through 3 iterations of the function f(x) = 2·x + 1. A23272

Fourth term of balanced prime quartets: p(m-2)-p(m-3) = p(m-1)-p(m-2) = p(m)-p(m-1). A54803

Primes starting a Cunningham chain of the first kind of length 4. A59763

Least prime in A031932 (lesser of 14-twins) whose distance to the next 14-twin is 6·n. A52356

Numbers n such that n, 2n+1, 3n+2, 4n+3 are primes. A67257

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock. A235902

Smaller of 3 consecutive prime numbers such that p1·p2·p3+d1+d2-1=average of twin prime pairs, d1(δ)=p2-p1,d2(δ)=p3-p2. A153402

Values that show the slow decrease in the Andrica function Af(k) = sqrt(p(k+1)) - sqrt(p(k)), where p(k) denotes the k-th prime. A84977

Primes q = 4·p+1, where p == 2 (mod 5) is also prime. A221981

Primes equal to a centered heptagonal number plus 1. A285811