λ
Sequence Observatory

3,568,652

22 × 449 × 1987
Deficient Even Composite

Starting at 3,568,652, the Collatz iteration reaches 1 after 141 steps. The first transition is 1784326; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 449 × 1987
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 6,262,200
Proper Divisor Sum 2,693,548
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #3568651 ← → #3568679

Radix Representation

Decimal 3568652
Binary 1101100111010000001100 (22 bits)
Octal 0o15472014
Hexadecimal 0x36740C

Divisor Catalog (12)

1 2 4 449 898 1,796 1,987 3,974 7,948 892,163 1,784,326 3,568,652

Collatz Trajectory (141 steps to reach 1)

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

3,568,652 1,784,326 892,163 2,676,490 1,338,245 4,014,736 2,007,368 1,003,684 501,842 250,921 752,764 376,382 188,191 564,574 282,287 846,862 423,431 1,270,294 635,147 1,905,442 952,721 2,858,164 1,429,082 714,541 2,143,624 1,071,812 535,906 267,953 803,860 401,930 200,965 602,896 301,448 150,724 75,362 37,681 113,044 56,522 28,261 84,784 42,392 21,196 10,598 5,299 15,898 7,949 23,848 11,924 5,962 2,981 8,944 4,472 2,236 1,118 559 1,678 839 2,518 1,259 3,778

More profiles

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