Properties of the Number 73980

Seventy-Three Thousand Nine Hundred Eighty

Basics

Value: 73979 → 73980 → 73981

Parity: even

Prime: No

Previous Prime: 73973

Next Prime: 73999

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 5 × 137

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000011111100

Octal: 220374

Duodecimal: 36990

Hexadecimal: 120fc

Square: 5473040400

Square Root: 271.99264695943526

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 complete non-collateral matches with lattice points on the edges of an n X n square. A290166

Exponential (2,4)-perfect numbers: numbers m such that esigma(esigma(m)) = 4m, where esigma(m) is the sum of exponential divisors of m (A051377). A328133

Number of strings of length n over Z₆ with trace 1 and subtrace 3. A73980

G.f. satisfies: A(x)² = A( x²/(1-6·x)² ). A264232