Properties of the Number 30486

Thirty Thousand Four Hundred Eighty-Six

Basics

Value: 30485 → 30486 → 30487

Parity: even

Prime: No

Previous Prime: 30469

Next Prime: 30491

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5081

Divisors: 1, 2, 3, 6, 5081, 10162, 15243, 30486

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011100010110

Octal: 73426

Duodecimal: 15786

Hexadecimal: 7716

Square: 929396196

Square Root: 174.60240548171151

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

First members C of two non-consecutive numbers such that the sums of their cubes are equal to centered cube numbers and to at least one other sum of two cubes, i.e., A = B³ + (B+1)³ = C³ + D³ = E³ + F³. A352222

a(n) = n*(4·n² - 3·n + 5)/6. A174723

Number of non-equivalent (mod D₃) ways to arrange 3 indistinguishable points on a triangular grid of side n so that no three points are collinear. A234351

Numbers k such that x^k + x⁹ + 1 is irreducible over GF(2). A57479

Becomes prime or 4 after exactly 9 iterations of f(x) = sum of prime factors of x. A48131

Number of nX7 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4. A195977

Binomial transform of A000960. A99063

T(n,k) = Number of n X k 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4. A195978

When squared gives number composed of digits {2,5,6}. A30486