Properties of the Number 73012

Seventy-Three Thousand Twelve

Basics

Value: 73011 → 73012 → 73013

Parity: even

Prime: No

Previous Prime: 73009

Next Prime: 73013

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 18253

Divisors: 1, 2, 4, 18253, 36506, 73012

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110100110100

Octal: 216464

Duodecimal: 36304

Hexadecimal: 11d34

Square: 5330752144

Square Root: 270.20732780589054

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

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275266

a(1)=1; for n>1, a(n) = ∑_k=1..n-1 a(k) * floor(n/k). A126656

Expansion of (χ(q) / χ³(q³))² in powers of q where χ() is a Ramanujan θ function. A164614

Expansion of (χ(-x) / χ³(-x³))² in powers of·where χ() is a Ramanujan θ function. A216046

Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275262

Number of 6Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275270

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 318", based on the 5-celled von Neumann neighborhood. A271251

Numbers k such that (3^k + 4^k)/7 is prime. A128066

Decimal expansion of Robbins constant. A73012