2² × 7² × 2663

Prime Factor Structure

Factorization String 2^2 × 7^2 × 2663

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,062,936

Proper Divisor Sum 540,988

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #521929 ← → #521981

1 2 4 7 14 28 49 98 196 2,663 5,326 10,652 18,641 37,282 74,564 130,487 260,974 521,948

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

521,948 260,974 130,487 391,462 195,731 587,194 293,597 880,792 440,396 220,198 110,099 330,298 165,149 495,448 247,724 123,862 61,931 185,794 92,897 278,692 139,346 69,673 209,020 104,510 52,255 156,766 78,383 235,150 117,575 352,726 176,363 529,090 264,545 793,636 396,818 198,409 595,228 297,614 148,807 446,422 223,211 669,634 334,817 1,004,452 502,226 251,113 753,340 376,670 188,335 565,006 282,503 847,510 423,755 1,271,266 635,633 1,906,900 953,450 476,725 1,430,176 715,088

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