3,988,367

31 × 128657

3,988,367 factors as 31 × 128657. Its 4 positive divisors give a proper-divisor sum of 128,689, so this integer is deficient. The Collatz stopping time is 79 steps.

Prime Factor Structure

Factorization String 31 × 128657

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,117,056

Proper Divisor Sum 128,689

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #3988351 ← → #3988381

Radix Representation

Decimal	3988367
Binary	1111001101101110001111 (22 bits)
Octal	0o17155617
Hexadecimal	0x3CDB8F

Divisor Catalog (4)

1 31 128,657 3,988,367

Collatz Trajectory (79 steps to reach 1)

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

3,988,367 11,965,102 5,982,551 17,947,654 8,973,827 26,921,482 13,460,741 40,382,224 20,191,112 10,095,556 5,047,778 2,523,889 7,571,668 3,785,834 1,892,917 5,678,752 2,839,376 1,419,688 709,844 354,922 177,461 532,384 266,192 133,096 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

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #3,988,366 Browse Full Index Next Integer #3,988,368 →