3,099,655

5 × 13 × 43 × 1109

3,099,655 has digital root 1. The neighboring primes are 3099623 and 3099667; its proper-divisor sum differs from the starting integer by -2,096,750.

Prime Factor Structure

Factorization String 5 × 13 × 43 × 1109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 4,102,560

Proper Divisor Sum 1,002,905

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3099623 ← → #3099667

1 5 13 43 65 215 559 1,109 2,795 5,545 14,417 47,687 72,085 238,435 619,931 3,099,655

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

3,099,655 9,298,966 4,649,483 13,948,450 6,974,225 20,922,676 10,461,338 5,230,669 15,692,008 7,846,004 3,923,002 1,961,501 5,884,504 2,942,252 1,471,126 735,563 2,206,690 1,103,345 3,310,036 1,655,018 827,509 2,482,528 1,241,264 620,632 310,316 155,158 77,579 232,738 116,369 349,108 174,554 87,277 261,832 130,916 65,458 32,729 98,188 49,094 24,547 73,642 36,821 110,464 55,232 27,616 13,808 6,904 3,452 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280