1,787,079

3 × 7² × 12157

Prime Factor Structure

Factorization String 3 × 7^2 × 12157

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 2,772,024

Proper Divisor Sum 984,945

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #1787041 ← → #1787087

1 3 7 21 49 147 12,157 36,471 85,099 255,297 595,693 1,787,079

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

1,787,079 5,361,238 2,680,619 8,041,858 4,020,929 12,062,788 6,031,394 3,015,697 9,047,092 4,523,546 2,261,773 6,785,320 3,392,660 1,696,330 848,165 2,544,496 1,272,248 636,124 318,062 159,031 477,094 238,547 715,642 357,821 1,073,464 536,732 268,366 134,183 402,550 201,275 603,826 301,913 905,740 452,870 226,435 679,306 339,653 1,018,960 509,480 254,740 127,370 63,685 191,056 95,528 47,764 23,882 11,941 35,824 17,912 8,956 4,478 2,239 6,718 3,359 10,078 5,039 15,118 7,559 22,678 11,339

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