6,999,139

7 × 691 × 1447

6,999,139 is odd and not a perfect square. Its factorization is 7 × 691 × 1447 and its 8 divisors sum to 8,016,128.

Prime Factor Structure

Factorization String 7 × 691 × 1447

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 8,016,128

Proper Divisor Sum 1,016,989

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #6999131 ← → #6999143

1 7 691 1,447 4,837 10,129 999,877 6,999,139

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

6,999,139 20,997,418 10,498,709 31,496,128 15,748,064 7,874,032 3,937,016 1,968,508 984,254 492,127 1,476,382 738,191 2,214,574 1,107,287 3,321,862 1,660,931 4,982,794 2,491,397 7,474,192 3,737,096 1,868,548 934,274 467,137 1,401,412 700,706 350,353 1,051,060 525,530 262,765 788,296 394,148 197,074 98,537 295,612 147,806 73,903 221,710 110,855 332,566 166,283 498,850 249,425 748,276 374,138 187,069 561,208 280,604 140,302 70,151 210,454 105,227 315,682 157,841 473,524 236,762 118,381 355,144 177,572 88,786 44,393