λ
Sequence Observatory

6,848,571

3 × 1097 × 2081
Deficient Odd Composite

Starting at 6,848,571, the Collatz iteration reaches 1 after 222 steps. The first transition is 20545714; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 1097 × 2081
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,144,144
Proper Divisor Sum 2,295,573
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #6848563 ← → #6848581

Radix Representation

Decimal 6848571
Binary 11010001000000000111011 (23 bits)
Octal 0o32100073
Hexadecimal 0x68803B

Divisor Catalog (8)

1 3 1,097 2,081 3,291 6,243 2,282,857 6,848,571

Collatz Trajectory (222 steps to reach 1)

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

6,848,571 20,545,714 10,272,857 30,818,572 15,409,286 7,704,643 23,113,930 11,556,965 34,670,896 17,335,448 8,667,724 4,333,862 2,166,931 6,500,794 3,250,397 9,751,192 4,875,596 2,437,798 1,218,899 3,656,698 1,828,349 5,485,048 2,742,524 1,371,262 685,631 2,056,894 1,028,447 3,085,342 1,542,671 4,628,014 2,314,007 6,942,022 3,471,011 10,413,034 5,206,517 15,619,552 7,809,776 3,904,888 1,952,444 976,222 488,111 1,464,334 732,167 2,196,502 1,098,251 3,294,754 1,647,377 4,942,132 2,471,066 1,235,533 3,706,600 1,853,300 926,650 463,325 1,389,976 694,988 347,494 173,747 521,242 260,621

More profiles

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