3,988,339

1429 × 2791

3,988,339 factors as 1429 × 2791. Its 4 positive divisors give a proper-divisor sum of 4,221, so this integer is deficient. The Collatz stopping time is 79 steps.

Prime Factor Structure

Factorization String 1429 × 2791

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,992,560

Proper Divisor Sum 4,221

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3988331 ← → #3988343

Radix Representation

Decimal	3988339
Binary	1111001101101101110011 (22 bits)
Octal	0o17155563
Hexadecimal	0x3CDB73

Divisor Catalog (4)

1 1,429 2,791 3,988,339

Collatz Trajectory (79 steps to reach 1)

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

3,988,339 11,965,018 5,982,509 17,947,528 8,973,764 4,486,882 2,243,441 6,730,324 3,365,162 1,682,581 5,047,744 2,523,872 1,261,936 630,968 315,484 157,742 78,871 236,614 118,307 354,922 177,461 532,384 266,192 133,096 66,548 33,274 16,637 49,912 24,956 12,478 6,239 18,718 9,359 28,078 14,039 42,118 21,059 63,178 31,589 94,768 47,384 23,692 11,846 5,923 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500 1,250 625 1,876 938 469 1,408 704

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