646979

Prime Factor Structure

Factorization String 646979

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 646,980

Proper Divisor Sum 1

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #646957 ← → #646981

1 646,979

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

646,979 1,940,938 970,469 2,911,408 1,455,704 727,852 363,926 181,963 545,890 272,945 818,836 409,418 204,709 614,128 307,064 153,532 76,766 38,383 115,150 57,575 172,726 86,363 259,090 129,545 388,636 194,318 97,159 291,478 145,739 437,218 218,609 655,828 327,914 163,957 491,872 245,936 122,968 61,484 30,742 15,371 46,114 23,057 69,172 34,586 17,293 51,880 25,940 12,970 6,485 19,456 9,728 4,864 2,432 1,216 608 304 152 76 38 19

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