Properties of the Number 26666

Twenty-Six Thousand Six Hundred Sixty-Six

Basics

Value: 26665 → 26666 → 26667

Parity: even

Prime: No

Previous Prime: 26647

Next Prime: 26669

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 67 × 199

Divisors: 1, 2, 67, 134, 199, 398, 13333, 26666

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100000101010

Octal: 64052

Duodecimal: 13522

Hexadecimal: 682a

Square: 711075556

Square Root: 163.29727493133498

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 (length) * (maximum) >= 2·n. A361906

Numbers k for which the digital sum of k contains the same distinct digits as k itself. A249515

Positions of check bits in code in A075937. A75939

Grundy function for turn-at-most-6-coins game. A54043

Numbers having four 6's in base 10. A43516

Numbers k such that the k-th triangular number contains only digits {1,3,5}. A119114

Smallest numbers containing exactly n smaller numbers when written as English number names. A159453

a(n)=Sum(i+j+k+l+...+r+s=n) A005316(i)*A005316(j)*...*A005316(s) and the ordered partition of n runs over all odd i, all even j,k,.., r, all i,j,...,r,s>=1. A107321

Number of ways to choose a multiset of n divisors of n - 1. A343936

T(n,0) + T(n,1) + ... + T(n,n), T given by A026659. A26666