3 × 7³ × 631

Prime Factor Structure

Factorization String 3 × 7^3 × 631

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,011,200

Proper Divisor Sum 361,901

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #649291 ← → #649307

1 3 7 21 49 147 343 631 1,029 1,893 4,417 13,251 30,919 92,757 216,433 649,299

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

649,299 1,947,898 973,949 2,921,848 1,460,924 730,462 365,231 1,095,694 547,847 1,643,542 821,771 2,465,314 1,232,657 3,697,972 1,848,986 924,493 2,773,480 1,386,740 693,370 346,685 1,040,056 520,028 260,014 130,007 390,022 195,011 585,034 292,517 877,552 438,776 219,388 109,694 54,847 164,542 82,271 246,814 123,407 370,222 185,111 555,334 277,667 833,002 416,501 1,249,504 624,752 312,376 156,188 78,094 39,047 117,142 58,571 175,714 87,857 263,572 131,786 65,893 197,680 98,840 49,420 24,710

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