2,211,209

7 × 11 × 13 × 47²

Prime Factor Structure

Factorization String 7 × 11 × 13 × 47^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 3,033,408

Proper Divisor Sum 822,199

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #2211179 ← → #2211211

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

2,211,209 6,633,628 3,316,814 1,658,407 4,975,222 2,487,611 7,462,834 3,731,417 11,194,252 5,597,126 2,798,563 8,395,690 4,197,845 12,593,536 6,296,768 3,148,384 1,574,192 787,096 393,548 196,774 98,387 295,162 147,581 442,744 221,372 110,686 55,343 166,030 83,015 249,046 124,523 373,570 186,785 560,356 280,178 140,089 420,268 210,134 105,067 315,202 157,601 472,804 236,402 118,201 354,604 177,302 88,651 265,954 132,977 398,932 199,466 99,733 299,200 149,600 74,800 37,400 18,700 9,350 4,675 14,026

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