4,172,001

3 × 19 × 53 × 1381

Prime Factor Structure

Factorization String 3 × 19 × 53 × 1381

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 5,970,240

Proper Divisor Sum 1,798,239

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #4171991 ← → #4172029

1 3 19 53 57 159 1,007 1,381 3,021 4,143 26,239 73,193 78,717 219,579 1,390,667 4,172,001

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

4,172,001 12,516,004 6,258,002 3,129,001 9,387,004 4,693,502 2,346,751 7,040,254 3,520,127 10,560,382 5,280,191 15,840,574 7,920,287 23,760,862 11,880,431 35,641,294 17,820,647 53,461,942 26,730,971 80,192,914 40,096,457 120,289,372 60,144,686 30,072,343 90,217,030 45,108,515 135,325,546 67,662,773 202,988,320 101,494,160 50,747,080 25,373,540 12,686,770 6,343,385 19,030,156 9,515,078 4,757,539 14,272,618 7,136,309 21,408,928 10,704,464 5,352,232 2,676,116 1,338,058 669,029 2,007,088 1,003,544 501,772 250,886 125,443 376,330 188,165 564,496 282,248 141,124 70,562 35,281 105,844 52,922 26,461

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