4,002,012

2² × 3² × 7 × 15881

Prime Factor Structure

Factorization String 2^2 × 3^2 × 7 × 15881

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 11,562,096

Proper Divisor Sum 7,560,084

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #4002001 ← → #4002013

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

4,002,012 2,001,006 1,000,503 3,001,510 1,500,755 4,502,266 2,251,133 6,753,400 3,376,700 1,688,350 844,175 2,532,526 1,266,263 3,798,790 1,899,395 5,698,186 2,849,093 8,547,280 4,273,640 2,136,820 1,068,410 534,205 1,602,616 801,308 400,654 200,327 600,982 300,491 901,474 450,737 1,352,212 676,106 338,053 1,014,160 507,080 253,540 126,770 63,385 190,156 95,078 47,539 142,618 71,309 213,928 106,964 53,482 26,741 80,224 40,112 20,056 10,028 5,014 2,507 7,522 3,761 11,284 5,642 2,821 8,464 4,232

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