Properties of the Number 30511

Thirty Thousand Five Hundred Eleven

Basics

Value: 30510 → 30511 → 30512

Parity: odd

Prime: No

Previous Prime: 30509

Next Prime: 30517

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 13 × 2347

Divisors: 1, 13, 2347, 30511

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011100101111

Octal: 73457

Duodecimal: 157A7

Hexadecimal: 772f

Square: 930921121

Square Root: 174.67398203510447

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 which do not reach zero under either of the iterations: x -> floor(sqrt(x)) * (x - floor(sqrt(x))²) or y -> ceiling(sqrt(y)) * (ceiling(sqrt(y))² - y). A219963

a(n) = n*(1-3n+2·n²+2·n³)/2. A277977

Number of triples 0 <= i, j, k < n such that bitwise AND of i, j, k is 0. A269589

Graham-Sloane-type lower bound on the size of a ternary (n,3,3) constant-weight code. A30511