5 × 7² × 6781

Prime Factor Structure

Factorization String 5 × 7^2 × 6781

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,319,444

Proper Divisor Sum 658,099

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1661333 ← → #1661347

1 5 7 35 49 245 6,781 33,905 47,467 237,335 332,269 1,661,345

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

1,661,345 4,984,036 2,492,018 1,246,009 3,738,028 1,869,014 934,507 2,803,522 1,401,761 4,205,284 2,102,642 1,051,321 3,153,964 1,576,982 788,491 2,365,474 1,182,737 3,548,212 1,774,106 887,053 2,661,160 1,330,580 665,290 332,645 997,936 498,968 249,484 124,742 62,371 187,114 93,557 280,672 140,336 70,168 35,084 17,542 8,771 26,314 13,157 39,472 19,736 9,868 4,934 2,467 7,402 3,701 11,104 5,552 2,776 1,388 694 347 1,042 521 1,564 782 391 1,174 587 1,762

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