3 × 5 × 53 × 1231

Prime Factor Structure

Factorization String 3 × 5 × 53 × 1231

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,596,672

Proper Divisor Sum 618,027

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #978643 ← → #978647

1 3 5 15 53 159 265 795 1,231 3,693 6,155 18,465 65,243 195,729 326,215 978,645

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

978,645 2,935,936 1,467,968 733,984 366,992 183,496 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 77 232 116 58 29

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