Properties of the Number 26994

Twenty-Six Thousand Nine Hundred Ninety-Four

Basics

Value: 26993 → 26994 → 26995

Parity: even

Prime: No

Previous Prime: 26993

Next Prime: 27011

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 409

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 409, 818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110100101110010

Octal: 64562

Duodecimal: 13756

Hexadecimal: 6972

Square: 728676036

Square Root: 164.2985088185526

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 integer partitions of n such that the maximum is greater than twice the median. A361857

a(n) = ∑_{k=0..floor(n/2)} n^k * binomial(2·n-k,n-2·k). A371826

Numbers that divide the sum of the reverse of their divisors (A069192). A254008

Number of nonnegative integer arrays of length n+2·6-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 6. A211698

Triangular array read by rows: row n shows the coefficients of the polynomial u(n) = c(0) + c(1)*x + ... + c(n)*xⁿ which is the denominator of the n-th convergent of the continued fraction [k, k, k, ... ], where k = (x + 1)/(x + 2). A231775

Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and exactly two more elements moved upwards than downwards. A263786

Numbers k such that A075255(k) is the square of a prime. A386954

T(n,k) = Number of length n arrays of permutations of 0..n-1 with each element moved by -k to k places and exactly two more elements moved upwards than downwards. A263787

a(n) = ∑_k=0..n-3 T(n,k) * T(n,k+3), with T given by A026692. A26994