4,400,398

2 × 2200199

4,400,398 has digital root 1. The neighboring primes are 4400393 and 4400401; its proper-divisor sum differs from the starting integer by -2,200,196.

Prime Factor Structure

Factorization String 2 × 2200199

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 6,600,600

Proper Divisor Sum 2,200,202

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4400393 ← → #4400401

1 2 2,200,199 4,400,398

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

4,400,398 2,200,199 6,600,598 3,300,299 9,900,898 4,950,449 14,851,348 7,425,674 3,712,837 11,138,512 5,569,256 2,784,628 1,392,314 696,157 2,088,472 1,044,236 522,118 261,059 783,178 391,589 1,174,768 587,384 293,692 146,846 73,423 220,270 110,135 330,406 165,203 495,610 247,805 743,416 371,708 185,854 92,927 278,782 139,391 418,174 209,087 627,262 313,631 940,894 470,447 1,411,342 705,671 2,117,014 1,058,507 3,175,522 1,587,761 4,763,284 2,381,642 1,190,821 3,572,464 1,786,232 893,116 446,558 223,279 669,838 334,919 1,004,758

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