Properties of the Number 26087

Twenty-Six Thousand Eighty-Seven

Basics

Value: 26086 → 26087 → 26088

Parity: odd

Prime: No

Previous Prime: 26083

Next Prime: 26099

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19 × 1373

Divisors: 1, 19, 1373, 26087

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010111100111

Octal: 62747

Duodecimal: 1311B

Hexadecimal: 65e7

Square: 680531569

Square Root: 161.51470521286907

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

Least positive integer multiples of angle·such that their direction cosines form a unit vector: ∑_k>0 cos(a(k)*x)² = 1, where a(1)=1 and x=2. A80137

Numbers k where the fractional part of tan(k) decreases monotonically to 0. A16274

Number of ways to choose 4 disjoint subsets of {1..n} with the same sum and with respectively 1, 2, 3 and 4 distinct elements of {1..n}. A363517

Number of A095283-primes in range ]2ⁿ,2ⁿ⁺¹]. A95293

Cubes that are the sum of two or more consecutive positive squares. A136312

Number of (n+1)X(6+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250466

a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0, |s(i) - s(i-1)| = 1 for i = 1,2,3; |s(i) - s(i-1)| <= 1 for i >= 4, s(n) = 4. Also a(n) = T(n,n-4), where T is the array defined in A026082. A26087