138403

Prime Factor Structure

Factorization String 138403

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 138,404

Proper Divisor Sum 1

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #138401 ← → #138407

1 138,403

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

138,403 415,210 207,605 622,816 311,408 155,704 77,852 38,926 19,463 58,390 29,195 87,586 43,793 131,380 65,690 32,845 98,536 49,268 24,634 12,317 36,952 18,476 9,238 4,619 13,858 6,929 20,788 10,394 5,197 15,592 7,796 3,898 1,949 5,848 2,924 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881

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