Properties of the Number 26486

Twenty-Six Thousand Four Hundred Eighty-Six

Basics

Value: 26485 → 26486 → 26487

Parity: even

Prime: No

Previous Prime: 26479

Next Prime: 26489

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 17 × 19 × 41

Divisors: 1, 2, 17, 19, 34, 38, 41, 82, 323, 646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110011101110110

Octal: 63566

Duodecimal: 133B2

Hexadecimal: 6776

Square: 701508196

Square Root: 162.7451996219858

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) = pg(3, n) + pg(4, n) + ... + pg(n, n) where pg(m, n) is the n-th m-th-order polygonal number. A241452

Numbers n such that σ(n)=σ(d₁)*σ(d₂)*...*σ(d_k) where d₁ d₂ ... d_k is the decimal expansion of n. A98771

Number of 7-element subsets of [n] whose sum is a triangular number. A320853

a(n) = ∑_k=1..n (k+2)!/k! = ∑_k=1..n (k+2)*(k+1). A180118

a(n) = least positive integer > a(n-1) and not a(i)*a(j)-a(k) for 1<=i<=j<=k<n. A26486