9,988,655

5 × 1997731

9,988,655 factors as 5 × 1997731. Its 4 positive divisors give a proper-divisor sum of 1,997,737, so this integer is deficient. The Collatz stopping time is 189 steps.

Prime Factor Structure

Factorization String 5 × 1997731

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 11,986,392

Proper Divisor Sum 1,997,737

Digit Sum / Digital Root 50 (Root: 5)

Adjacent Primes #9988633 ← → #9988687

Radix Representation

Decimal	9988655
Binary	100110000110101000101111 (24 bits)
Octal	0o46065057
Hexadecimal	0x986A2F

Divisor Catalog (4)

1 5 1,997,731 9,988,655

Collatz Trajectory (189 steps to reach 1)

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

9,988,655 29,965,966 14,982,983 44,948,950 22,474,475 67,423,426 33,711,713 101,135,140 50,567,570 25,283,785 75,851,356 37,925,678 18,962,839 56,888,518 28,444,259 85,332,778 42,666,389 127,999,168 63,999,584 31,999,792 15,999,896 7,999,948 3,999,974 1,999,987 5,999,962 2,999,981 8,999,944 4,499,972 2,249,986 1,124,993 3,374,980 1,687,490 843,745 2,531,236 1,265,618 632,809 1,898,428 949,214 474,607 1,423,822 711,911 2,135,734 1,067,867 3,203,602 1,601,801 4,805,404 2,402,702 1,201,351 3,604,054 1,802,027 5,406,082 2,703,041 8,109,124 4,054,562 2,027,281 6,081,844 3,040,922 1,520,461 4,561,384 2,280,692

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