2² × 13³ × 31 × 61

Prime Factor Structure

Factorization String 2^2 × 13^3 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 33,053,440

Proper Divisor Sum 16,435,332

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #16618099 ← → #16618111

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

16,618,108 8,309,054 4,154,527 12,463,582 6,231,791 18,695,374 9,347,687 28,043,062 14,021,531 42,064,594 21,032,297 63,096,892 31,548,446 15,774,223 47,322,670 23,661,335 70,984,006 35,492,003 106,476,010 53,238,005 159,714,016 79,857,008 39,928,504 19,964,252 9,982,126 4,991,063 14,973,190 7,486,595 22,459,786 11,229,893 33,689,680 16,844,840 8,422,420 4,211,210 2,105,605 6,316,816 3,158,408 1,579,204 789,602 394,801 1,184,404 592,202 296,101 888,304 444,152 222,076 111,038 55,519 166,558 83,279 249,838 124,919 374,758 187,379 562,138 281,069 843,208 421,604 210,802 105,401

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