3 × 41 × 307 × 569

Prime Factor Structure

Factorization String 3 × 41 × 307 × 569

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 29,494,080

Proper Divisor Sum 8,008,071

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21486001 ← → #21486043

1 3 41 123 307 569 921 1,707 12,587 23,329 37,761 69,987 174,683 524,049 7,162,003 21,486,009

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

21,486,009 64,458,028 32,229,014 16,114,507 48,343,522 24,171,761 72,515,284 36,257,642 18,128,821 54,386,464 27,193,232 13,596,616 6,798,308 3,399,154 1,699,577 5,098,732 2,549,366 1,274,683 3,824,050 1,912,025 5,736,076 2,868,038 1,434,019 4,302,058 2,151,029 6,453,088 3,226,544 1,613,272 806,636 403,318 201,659 604,978 302,489 907,468 453,734 226,867 680,602 340,301 1,020,904 510,452 255,226 127,613 382,840 191,420 95,710 47,855 143,566 71,783 215,350 107,675 323,026 161,513 484,540 242,270 121,135 363,406 181,703 545,110 272,555 817,666

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