3,940,825

5² × 7² × 3217

Prime Factor Structure

Factorization String 5^2 × 7^2 × 3217

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 5,686,206

Proper Divisor Sum 1,745,381

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #3940823 ← → #3940837

1 5 7 25 35 49 175 245 1,225 3,217 16,085 22,519 80,425 112,595 157,633 562,975 788,165 3,940,825

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

3,940,825 11,822,476 5,911,238 2,955,619 8,866,858 4,433,429 13,300,288 6,650,144 3,325,072 1,662,536 831,268 415,634 207,817 623,452 311,726 155,863 467,590 233,795 701,386 350,693 1,052,080 526,040 263,020 131,510 65,755 197,266 98,633 295,900 147,950 73,975 221,926 110,963 332,890 166,445 499,336 249,668 124,834 62,417 187,252 93,626 46,813 140,440 70,220 35,110 17,555 52,666 26,333 79,000 39,500 19,750 9,875 29,626 14,813 44,440 22,220 11,110 5,555 16,666 8,333 25,000

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