7,220,138

2 × 17 × 73 × 2909

Prime Factor Structure

Factorization String 2 × 17 × 73 × 2909

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 11,628,360

Proper Divisor Sum 4,408,222

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #7220131 ← → #7220149

1 2 17 34 73 146 1,241 2,482 2,909 5,818 49,453 98,906 212,357 424,714 3,610,069 7,220,138

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

7,220,138 3,610,069 10,830,208 5,415,104 2,707,552 1,353,776 676,888 338,444 169,222 84,611 253,834 126,917 380,752 190,376 95,188 47,594 23,797 71,392 35,696 17,848 8,924 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096 2,548 1,274

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