Properties of the Number 73240

Seventy-Three Thousand Two Hundred Forty

Basics

Value: 73239 → 73240 → 73241

Parity: even

Prime: No

Previous Prime: 73237

Next Prime: 73243

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 1831

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111000011000

Octal: 217030

Duodecimal: 36474

Hexadecimal: 11e18

Square: 5364097600

Square Root: 270.62889720057615

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

Triangle read by rows: T(n,k) is the number of n-sided cycles with the property that one makes k turns to the right while following its edges. A365094

Augmentation of the triangle A008949. See Comments. A193603

Number of nX7 0..4 arrays with each element equal to the number its horizontal and vertical neighbors unequal to itself. A195961

Number of 2·n-sided cycles with the property that one makes the same number of left and right turns while following its edges. A371611

T(n,k)=Number of nXk 0..4 arrays with each element equal to the number of its horizontal and vertical neighbors unequal to itself. A195962

Decimal expansion of (1/π)^1/π. A73240