Properties of the Number -26901

Twenty-Six Thousand Nine Hundred One

Basics

Value: -26902 → -26901 → -26900

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 61

Divisors: 1, 3, 7, 9, 21, 49, 61, 63, 147, 183

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110100100010101

Octal: -64425

Duodecimal: -13699

Hexadecimal: -6915

Square: 723663801

Square Root: 164.01524319403975

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

Terms k of A228058 for which A048146(k)+A162296(k) >= 2·k, where A048146 is the sum of non-unitary divisors, and A162296 is the sum of divisors that have a square factor. A389219

a(n) = (15·n⁴ + 22·n³ + 45·n² + 14·n) / 24. A101166

Structured octagonal prism numbers. A100176

Sum of squares of first n quarter-squares (A002620). A59859

Numbers a = b + c where a, b, and c contain the same decimal digits. A203024

Row sums of triangle A112705. A112706

a(n) = 61·n². A174333

Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock summing to 4. A183626

Number of (n+1) X 9 0..2 arrays with every 2 X 2 subblock summing to 4. A183631

Number of partitions satisfying (cn(2,5) <= cn(1,5) and cn(3,5) <= cn(1,5) and cn(2,5) <= cn(4,5) and cn(3,5) <= cn(4,5)). A36802