617,253

3 × 7² × 13 × 17 × 19

Prime Factor Structure

Factorization String 3 × 7^2 × 13 × 17 × 19

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Total Divisors 48

Divisor Sum (σ) 1,149,120

Proper Divisor Sum 531,867

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #617249 ← → #617257

1 3 7 13 17 19 21 39 49 51 57 91 119 133 147 221 247 273 323 357 399 637 663 741 833 931 969 1,547 1,729 1,911 2,261 2,499 2,793 4,199 4,641 5,187 6,783 10,829 12,103 12,597 15,827 29,393 32,487 36,309 47,481 88,179 205,751 617,253

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

617,253 1,851,760 925,880 462,940 231,470 115,735 347,206 173,603 520,810 260,405 781,216 390,608 195,304 97,652 48,826 24,413 73,240 36,620 18,310 9,155 27,466 13,733 41,200 20,600 10,300 5,150 2,575 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109

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