129127

Prime Factor Structure

Factorization String 129127

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 129,128

Proper Divisor Sum 1

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #129121 ← → #129169

1 129,127

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

129,127 387,382 193,691 581,074 290,537 871,612 435,806 217,903 653,710 326,855 980,566 490,283 1,470,850 735,425 2,206,276 1,103,138 551,569 1,654,708 827,354 413,677 1,241,032 620,516 310,258 155,129 465,388 232,694 116,347 349,042 174,521 523,564 261,782 130,891 392,674 196,337 589,012 294,506 147,253 441,760 220,880 110,440 55,220 27,610 13,805 41,416 20,708 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916

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