Properties of the Number 26406

Twenty-Six Thousand Four Hundred Six

Basics

Value: 26405 → 26406 → 26407

Parity: even

Prime: No

Previous Prime: 26399

Next Prime: 26407

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 163

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110011100100110

Octal: 63446

Duodecimal: 13346

Hexadecimal: 6726

Square: 697276836

Square Root: 162.4992307674101

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

Product of a prime and the previous number. A36689

Number of compositions of n in which the minimal multiplicity of parts equals 1. A244164

a(n) = 25·n² + 25·n + 6. A177059

Numbers n such that the n-th row of triangle in A073932 contains exactly the divisors of n. A73935

Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order. A114874

Multiplicative order of 2 modulo prime(n)² for n >= 2. A243905

Numbers m such that gcd(A001008(m), m) > 1, in increasing order. A256102

Depth of Pascal's triangle such that the number of elements in the triangle is a factor of the sum of the elements. A272934

Prime power pseudoperfect numbers: numbers m > 1 such that 1/m + Sum 1/p^k = 1, where the sum is over the prime powers p^k | m. A283423

a(n) is the least exponent k such that 3^k-1 is divisible by prime(n)², or -1 if no such k exists. A283620