9,988,988

2² × 281 × 8887

Starting at 9,988,988, the Collatz iteration reaches 1 after 132 steps. The first transition is 4994494; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 281 × 8887

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 17,544,912

Proper Divisor Sum 7,555,924

Digit Sum / Digital Root 59 (Root: 5)

Adjacent Primes #9988981 ← → #9988991

Radix Representation

Decimal	9988988
Binary	100110000110101101111100 (24 bits)
Octal	0o46065574
Hexadecimal	0x986B7C

Divisor Catalog (12)

1 2 4 281 562 1,124 8,887 17,774 35,548 2,497,247 4,994,494 9,988,988

Collatz Trajectory (132 steps to reach 1)

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

9,988,988 4,994,494 2,497,247 7,491,742 3,745,871 11,237,614 5,618,807 16,856,422 8,428,211 25,284,634 12,642,317 37,926,952 18,963,476 9,481,738 4,740,869 14,222,608 7,111,304 3,555,652 1,777,826 888,913 2,666,740 1,333,370 666,685 2,000,056 1,000,028 500,014 250,007 750,022 375,011 1,125,034 562,517 1,687,552 843,776 421,888 210,944 105,472 52,736 26,368 13,184 6,592 3,296 1,648 824 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780

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