2 × 21487

Prime Factor Structure

Factorization String 2 × 21487

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 64,464

Proper Divisor Sum 21,490

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #42967 ← → #42979

1 2 21,487 42,974

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

42,974 21,487 64,462 32,231 96,694 48,347 145,042 72,521 217,564 108,782 54,391 163,174 81,587 244,762 122,381 367,144 183,572 91,786 45,893 137,680 68,840 34,420 17,210 8,605 25,816 12,908 6,454 3,227 9,682 4,841 14,524 7,262 3,631 10,894 5,447 16,342 8,171 24,514 12,257 36,772 18,386 9,193 27,580 13,790 6,895 20,686 10,343 31,030 15,515 46,546 23,273 69,820 34,910 17,455 52,366 26,183 78,550 39,275 117,826 58,913

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