2² × 3 × 53 × 1013

Prime Factor Structure

Factorization String 2^2 × 3 × 53 × 1013

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,533,168

Proper Divisor Sum 888,900

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #644261 ← → #644291

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

644,268 322,134 161,067 483,202 241,601 724,804 362,402 181,201 543,604 271,802 135,901 407,704 203,852 101,926 50,963 152,890 76,445 229,336 114,668 57,334 28,667 86,002 43,001 129,004 64,502 32,251 96,754 48,377 145,132 72,566 36,283 108,850 54,425 163,276 81,638 40,819 122,458 61,229 183,688 91,844 45,922 22,961 68,884 34,442 17,221 51,664 25,832 12,916 6,458 3,229 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090

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