19 × 977

Prime Factor Structure

Factorization String 19 × 977

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 19,560

Proper Divisor Sum 997

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #18553 ← → #18583

1 19 977 18,563

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

18,563 55,690 27,845 83,536 41,768 20,884 10,442 5,221 15,664 7,832 3,916 1,958 979 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4

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