2⁷ × 7 × 23 × 31

Prime Factor Structure

Factorization String 2^7 × 7 × 23 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 1,566,720

Proper Divisor Sum 927,872

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #638839 ← → #638857

1 2 4 7 8 14 16 23 28 31 32 46 56 62 64 92 112 124 128 161 184 217 224 248 322 368 434 448 496 644 713 736 868 896 992 1,288 1,426 1,472 1,736 1,984 2,576 2,852 2,944 3,472 3,968 4,991 5,152 5,704 6,944 9,982 10,304 11,408 13,888 19,964 20,608 22,816 27,776 39,928 45,632 79,856

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

638,848 319,424 159,712 79,856 39,928 19,964 9,982 4,991 14,974 7,487 22,462 11,231 33,694 16,847 50,542 25,271 75,814 37,907 113,722 56,861 170,584 85,292 42,646 21,323 63,970 31,985 95,956 47,978 23,989 71,968 35,984 17,992 8,996 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19

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