Properties of the Number 20316

Twenty Thousand Three Hundred Sixteen

Basics

Value: 20315 → 20316 → 20317

Parity: even

Prime: No

Previous Prime: 20297

Next Prime: 20323

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 1693

Divisors: 1, 2, 3, 4, 6, 12, 1693, 3386, 5079, 6772

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100111101011100

Octal: 47534

Duodecimal: B910

Hexadecimal: 4f5c

Square: 412739856

Square Root: 142.53420642077467

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

Numbers whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once). A71519

T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally. A189696

Coefficient of xⁿ in ∏_k>=1 1/(1+x^k)ⁿ. A255526

Integers k such that there are i groups of order k+i up to isomorphism, for i=1,2,3. A373649

Expansion of ∏_m>=1 (1+q^m)^-10. A22605

Unsigned row sums of triangle A136590. A136594

Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 2. A209984

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood. A283254

Conjecturally, the largest k such that prime(n)² is the largest squared prime divisor of binomial(2k,k). A239623

Number of sets of nonempty words over binary alphabet where each letter occurs n times. A360638