71 × 1021

Prime Factor Structure

Factorization String 71 × 1021

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 73,584

Proper Divisor Sum 1,093

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #72481 ← → #72493

1 71 1,021 72,491

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

72,491 217,474 108,737 326,212 163,106 81,553 244,660 122,330 61,165 183,496 91,748 45,874 22,937 68,812 34,406 17,203 51,610 25,805 77,416 38,708 19,354 9,677 29,032 14,516 7,258 3,629 10,888 5,444 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77

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