19² × 991

Prime Factor Structure

Factorization String 19^2 × 991

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 377,952

Proper Divisor Sum 20,201

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #357739 ← → #357767

1 19 361 991 18,829 357,751

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

357,751 1,073,254 536,627 1,609,882 804,941 2,414,824 1,207,412 603,706 301,853 905,560 452,780 226,390 113,195 339,586 169,793 509,380 254,690 127,345 382,036 191,018 95,509 286,528 143,264 71,632 35,816 17,908 8,954 4,477 13,432 6,716 3,358 1,679 5,038 2,519 7,558 3,779 11,338 5,669 17,008 8,504 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379

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