389 × 1021

Prime Factor Structure

Factorization String 389 × 1021

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 398,580

Proper Divisor Sum 1,411

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #397153 ← → #397181

1 389 1,021 397,169

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

397,169 1,191,508 595,754 297,877 893,632 446,816 223,408 111,704 55,852 27,926 13,963 41,890 20,945 62,836 31,418 15,709 47,128 23,564 11,782 5,891 17,674 8,837 26,512 13,256 6,628 3,314 1,657 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422

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