31 × 17989

Prime Factor Structure

Factorization String 31 × 17989

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 575,680

Proper Divisor Sum 18,021

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #557639 ← → #557663

1 31 17,989 557,659

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

557,659 1,672,978 836,489 2,509,468 1,254,734 627,367 1,882,102 941,051 2,823,154 1,411,577 4,234,732 2,117,366 1,058,683 3,176,050 1,588,025 4,764,076 2,382,038 1,191,019 3,573,058 1,786,529 5,359,588 2,679,794 1,339,897 4,019,692 2,009,846 1,004,923 3,014,770 1,507,385 4,522,156 2,261,078 1,130,539 3,391,618 1,695,809 5,087,428 2,543,714 1,271,857 3,815,572 1,907,786 953,893 2,861,680 1,430,840 715,420 357,710 178,855 536,566 268,283 804,850 402,425 1,207,276 603,638 301,819 905,458 452,729 1,358,188 679,094 339,547 1,018,642 509,321 1,527,964 763,982

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