7,988,125

5⁴ × 12781

For 7,988,125, the 10 positive divisors have a total of 9,982,742. Removing 7,988,125 leaves 1,994,617, which gives the deficient classification.

Prime Factor Structure

Factorization String 5^4 × 12781

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 10

Divisor Sum (σ) 9,982,742

Proper Divisor Sum 1,994,617

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #7988117 ← → #7988129

1 5 25 125 625 12,781 63,905 319,525 1,597,625 7,988,125

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

7,988,125 23,964,376 11,982,188 5,991,094 2,995,547 8,986,642 4,493,321 13,479,964 6,739,982 3,369,991 10,109,974 5,054,987 15,164,962 7,582,481 22,747,444 11,373,722 5,686,861 17,060,584 8,530,292 4,265,146 2,132,573 6,397,720 3,198,860 1,599,430 799,715 2,399,146 1,199,573 3,598,720 1,799,360 899,680 449,840 224,920 112,460 56,230 28,115 84,346 42,173 126,520 63,260 31,630 15,815 47,446 23,723 71,170 35,585 106,756 53,378 26,689 80,068 40,034 20,017 60,052 30,026 15,013 45,040 22,520 11,260 5,630 2,815 8,446