2⁴ × 17 × 37 × 163

Prime Factor Structure

Factorization String 2^4 × 17 × 37 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 3,477,456

Proper Divisor Sum 1,837,024

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1640423 ← → #1640447

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

1,640,432 820,216 410,108 205,054 102,527 307,582 153,791 461,374 230,687 692,062 346,031 1,038,094 519,047 1,557,142 778,571 2,335,714 1,167,857 3,503,572 1,751,786 875,893 2,627,680 1,313,840 656,920 328,460 164,230 82,115 246,346 123,173 369,520 184,760 92,380 46,190 23,095 69,286 34,643 103,930 51,965 155,896 77,948 38,974 19,487 58,462 29,231 87,694 43,847 131,542 65,771 197,314 98,657 295,972 147,986 73,993 221,980 110,990 55,495 166,486 83,243 249,730 124,865 374,596

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.