1,828,775

5² × 13 × 17 × 331

1,828,775 has digital root 2. The neighboring primes are 1828763 and 1828781; its proper-divisor sum differs from the starting integer by -1,063,966.

Prime Factor Structure

Factorization String 5^2 × 13 × 17 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 2,593,584

Proper Divisor Sum 764,809

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1828763 ← → #1828781

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

1,828,775 5,486,326 2,743,163 8,229,490 4,114,745 12,344,236 6,172,118 3,086,059 9,258,178 4,629,089 13,887,268 6,943,634 3,471,817 10,415,452 5,207,726 2,603,863 7,811,590 3,905,795 11,717,386 5,858,693 17,576,080 8,788,040 4,394,020 2,197,010 1,098,505 3,295,516 1,647,758 823,879 2,471,638 1,235,819 3,707,458 1,853,729 5,561,188 2,780,594 1,390,297 4,170,892 2,085,446 1,042,723 3,128,170 1,564,085 4,692,256 2,346,128 1,173,064 586,532 293,266 146,633 439,900 219,950 109,975 329,926 164,963 494,890 247,445 742,336 371,168 185,584 92,792 46,396 23,198 11,599

Browse other published profiles and their separate link collections.