Properties of the Number 26487

Twenty-Six Thousand Four Hundred Eighty-Seven

Basics

Value: 26486 → 26487 → 26488

Parity: odd

Prime: No

Previous Prime: 26479

Next Prime: 26489

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 109

Divisors: 1, 3, 9, 27, 81, 109, 243, 327, 981, 2943

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011101110111

Octal: 63567

Duodecimal: 133B3

Hexadecimal: 6777

Square: 701561169

Square Root: 162.74827188022613

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) = n²*(n²+3)/4. A39623

Number of integer partitions of n such that the least part plus the greatest part is odd. A390092

Number of isomorphism classes of associative non-commutative non-anti-associative non-anti-commutative closed binary operations on a set of order n. A79241

Numbers with multiplicative persistence value 6. A46515

G.f.: A(x) = ∑_n>=0 x^n*(n+1/2) / ∏_k=1..n (1-x^k)^k. A206138

a(n) = A007290(n+2) - 1 = 2·C(n+2,3) - 1. A108766

List of base-ten k-balanced factorization integers: The combined digits of an integer and its factorization primes and exponents contain exactly k copies of each of the ten digits, for some k. A273260

L.g.f.: log( ∏_n>=1 1/(1 - (2ⁿ+1)*xⁿ) ). A322209

Terms of A046337 for which A358777 is zero, where the latter is the Dirichlet inverse of former's characteristic function. A359607

Numbers k that divide 5^k + 4^k. A45590