Properties of the Number 27026

Twenty-Seven Thousand Twenty-Six

Basics

Value: 27025 → 27026 → 27027

Parity: even

Prime: No

Previous Prime: 27017

Next Prime: 27031

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 13513

Divisors: 1, 2, 13513, 27026

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100110010010

Octal: 64622

Duodecimal: 13782

Hexadecimal: 6992

Square: 730404676

Square Root: 164.39586369492392

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

Number of reduced words of length n in the Weyl group D₂₇. A162369

Positions of 0's in A330314. A330325

Indices of records in A371729: numbers k with A371729(k) > A371729(m) for all m < k. A371730

Number of reduced words of length n in the Weyl group B₂₇. A161954

Number of nX3 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A317155

Lexicographically earliest sequence of distinct positive integers such that a(n), a(n+1) and the product a(n)*a(n+1) have in common the substring n. A333933

a(n) = T(n,n+4), T given by A027023. A27026

Triangle of coefficients of characteristic polynomials of a special type of Cartan matrix: E_n for E₆,E₇,E₈,E₁₁ example M(6)/ E₆: {{2, -1, 0, 0, 0, 0}, {-1, 2, -1, 0, 0, 0}, {0, -1, 2, -1, 0, -1}, {0, 0, -1, 2, -1, 0}, {0, 0, 0, -1, 2, 0}, {0, 0, -1, 0, 0, 2}},. A136600