Properties of the Number 72289

Seventy-Two Thousand Two Hundred Eighty-Nine

Basics

Value: 72288 → 72289 → 72290

Parity: odd

Prime: No

Previous Prime: 72287

Next Prime: 72307

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 23 × 449

Divisors: 1, 7, 23, 161, 449, 3143, 10327, 72289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101001100001

Octal: 215141

Duodecimal: 35A01

Hexadecimal: 11a61

Square: 5225699521

Square Root: 268.86613769681003

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 with at least two adjacent parts of quotient 2. A350846

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A316301

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A316304

One eighty-fourth the area of primitive Pythagorean triangles with (increasing) square hypotenuses (precisely those of A008846). A72289