9,712,391

13 × 747107

9,712,391 has digital root 5. The neighboring primes are 9712379 and 9712397; its proper-divisor sum differs from the starting integer by -8,965,270.

Prime Factor Structure

Factorization String 13 × 747107

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 10,459,512

Proper Divisor Sum 747,121

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #9712379 ← → #9712397

1 13 747,107 9,712,391

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

9,712,391 29,137,174 14,568,587 43,705,762 21,852,881 65,558,644 32,779,322 16,389,661 49,168,984 24,584,492 12,292,246 6,146,123 18,438,370 9,219,185 27,657,556 13,828,778 6,914,389 20,743,168 10,371,584 5,185,792 2,592,896 1,296,448 648,224 324,112 162,056 81,028 40,514 20,257 60,772 30,386 15,193 45,580 22,790 11,395 34,186 17,093 51,280 25,640 12,820 6,410 3,205 9,616 4,808 2,404 1,202 601 1,804 902 451 1,354 677 2,032 1,016 508 254 127 382 191 574 287