7,009,855

5 × 1401971

Starting at 7,009,855, the Collatz iteration reaches 1 after 152 steps. The first transition is 21029566; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1401971

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,411,832

Proper Divisor Sum 1,401,977

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #7009823 ← → #7009859

Radix Representation

Decimal	7009855
Binary	11010101111011000111111 (23 bits)
Octal	0o32573077
Hexadecimal	0x6AF63F

Divisor Catalog (4)

1 5 1,401,971 7,009,855

Collatz Trajectory (152 steps to reach 1)

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

7,009,855 21,029,566 10,514,783 31,544,350 15,772,175 47,316,526 23,658,263 70,974,790 35,487,395 106,462,186 53,231,093 159,693,280 79,846,640 39,923,320 19,961,660 9,980,830 4,990,415 14,971,246 7,485,623 22,456,870 11,228,435 33,685,306 16,842,653 50,527,960 25,263,980 12,631,990 6,315,995 18,947,986 9,473,993 28,421,980 14,210,990 7,105,495 21,316,486 10,658,243 31,974,730 15,987,365 47,962,096 23,981,048 11,990,524 5,995,262 2,997,631 8,992,894 4,496,447 13,489,342 6,744,671 20,234,014 10,117,007 30,351,022 15,175,511 45,526,534 22,763,267 68,289,802 34,144,901 102,434,704 51,217,352 25,608,676 12,804,338 6,402,169 19,206,508 9,603,254

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