Properties of the Number 26079

Twenty-Six Thousand Seventy-Nine

Basics

Value: 26078 → 26079 → 26080

Parity: odd

Prime: No

Previous Prime: 26053

Next Prime: 26083

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 8693

Divisors: 1, 3, 8693, 26079

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010111011111

Octal: 62737

Duodecimal: 13113

Hexadecimal: 65df

Square: 680114241

Square Root: 161.48993776703242

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

G.f.: ∏_n>=1 (1 + xⁿ + xⁿ⁺¹). A160571

Number of representations of 2ⁿ - 1 as a sum (p·q + p·r + q·r) with three odd primes p <= q <= r. A369241

Numbers m such that 13^m reversed is prime. A58995

a(n) = ∑_{k=0..floor(n/3)} binomial(2·k,k) * binomial(n,3·k). A393244

Number of n X 4 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A223834

Numbers whose set of base-12 digits is {1,3}. A32919

Alternating sum of centered heptagonal pyramidal numbers. A270694

G.f. A(x) satisfies: A(x) = 1 / (1 - 3·x) + x * (1 - 3·x) * A(x)³. A346763

a(n) = ∑_{k = 1..n} T(k,k-1), where T is the array defined in A024996. A26079