λ
Sigma Notebook

4,240,906

2 × 2120453
Deficient Even Composite

4,240,906 is even and not a perfect square. Its factorization is 2 × 2120453 and its 4 divisors sum to 6,361,362.

Prime Factor Structure

Factorization String 2 × 2120453
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,361,362
Proper Divisor Sum 2,120,456
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #4240853 ← → #4240909

Radix Representation

Decimal 4240906
Binary 10000001011011000001010 (23 bits)
Octal 0o20133012
Hexadecimal 0x40B60A

Divisor Catalog (4)

1 2 2,120,453 4,240,906

Collatz Trajectory (105 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

4,240,906 2,120,453 6,361,360 3,180,680 1,590,340 795,170 397,585 1,192,756 596,378 298,189 894,568 447,284 223,642 111,821 335,464 167,732 83,866 41,933 125,800 62,900 31,450 15,725 47,176 23,588 11,794 5,897 17,692 8,846 4,423 13,270 6,635 19,906 9,953 29,860 14,930 7,465 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912

More profiles

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