2² × 5 × 40357

Prime Factor Structure

Factorization String 2^2 × 5 × 40357

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,695,036

Proper Divisor Sum 887,896

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #807127 ← → #807151

1 2 4 5 10 20 40,357 80,714 161,428 201,785 403,570 807,140

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

807,140 403,570 201,785 605,356 302,678 151,339 454,018 227,009 681,028 340,514 170,257 510,772 255,386 127,693 383,080 191,540 95,770 47,885 143,656 71,828 35,914 17,957 53,872 26,936 13,468 6,734 3,367 10,102 5,051 15,154 7,577 22,732 11,366 5,683 17,050 8,525 25,576 12,788 6,394 3,197 9,592 4,796 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128

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