639739

Prime Factor Structure

Factorization String 639739

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 639,740

Proper Divisor Sum 1

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #639731 ← → #639757

1 639,739

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

639,739 1,919,218 959,609 2,878,828 1,439,414 719,707 2,159,122 1,079,561 3,238,684 1,619,342 809,671 2,429,014 1,214,507 3,643,522 1,821,761 5,465,284 2,732,642 1,366,321 4,098,964 2,049,482 1,024,741 3,074,224 1,537,112 768,556 384,278 192,139 576,418 288,209 864,628 432,314 216,157 648,472 324,236 162,118 81,059 243,178 121,589 364,768 182,384 91,192 45,596 22,798 11,399 34,198 17,099 51,298 25,649 76,948 38,474 19,237 57,712 28,856 14,428 7,214 3,607 10,822 5,411 16,234 8,117 24,352

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