Properties of the Number 26018

Twenty-Six Thousand Eighteen

Basics

Value: 26017 → 26018 → 26019

Parity: even

Prime: No

Previous Prime: 26017

Next Prime: 26021

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 13009

Divisors: 1, 2, 13009, 26018

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010110100010

Octal: 62642

Duodecimal: 13082

Hexadecimal: 65a2

Square: 676936324

Square Root: 161.3009609394811

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

Sum of the seventh largest parts in the partitions of n into 8 parts. A308991

A(n, k) is the k-th number b > 1 such that b^prime(n+i-1) == 1 (mod prime(n+i)²) for each i = 0..3, with k running over the positive integers; square array, read by antidiagonals, downwards. A319061

Sum of n-th prime squared and n-th perfect square. A106587

Start with 83; if even, divide by 2; if odd, add next three primes: Orbit of 83 under iterations of A174221, the "PrimeLatz" map. A293979

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 62", based on the 5-celled von Neumann neighborhood. A270081

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 641", based on the 5-celled von Neumann neighborhood. A273311

a(n) = number of (s(0), s(1), ..., s(2·n-1)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| = 1 for i = 1,2,...,n, s(0) = 2, s(2·n-1) = 7. Also a(n) = T(2·n-1,n-3), where T is the array defined in A026009. A26018

Number of ways to reciprocally link elements of an nX4 array either to themselves or to exactly two horizontal, vertical or antidiagonal neighbors. A220684