Properties of the Number 30405

Thirty Thousand Four Hundred Five

Basics

Value: 30404 → 30405 → 30406

Parity: odd

Prime: No

Previous Prime: 30403

Next Prime: 30427

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 2027

Divisors: 1, 3, 5, 15, 2027, 6081, 10135, 30405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011011000101

Octal: 73305

Duodecimal: 15719

Hexadecimal: 76c5

Square: 924464025

Square Root: 174.37029563546653

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

a(n) = (n³ + 2·n)/3. A6527

a(n) = (2·n+1)*(4·n²+4·n+3)/3. A57813

Table (read by rows) giving the coefficients of sum formulas of n-th Left factorials (A003422). A101752

Number of squarefree integers congruent to {5, 6, 7} mod 8 <= 10ⁿ. A274264

Number of inequivalent ways to color the faces of a cube using at most n colors so that no two opposite sides have the same color. A282816

Number of (n+2) X 4 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order. A184541

Position of n-th 3 in A030401. A30405