2,947,991

71 × 41521

2,947,991 factors as 71 × 41521. Its 4 positive divisors give a proper-divisor sum of 41,593, so this integer is deficient. The Collatz stopping time is 381 steps.

Prime Factor Structure

Factorization String 71 × 41521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,989,584

Proper Divisor Sum 41,593

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #2947949 ← → #2947999

Radix Representation

Decimal	2947991
Binary	1011001111101110010111 (22 bits)
Octal	0o13175627
Hexadecimal	0x2CFB97

Divisor Catalog (4)

1 71 41,521 2,947,991

Collatz Trajectory (381 steps to reach 1)

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

2,947,991 8,843,974 4,421,987 13,265,962 6,632,981 19,898,944 9,949,472 4,974,736 2,487,368 1,243,684 621,842 310,921 932,764 466,382 233,191 699,574 349,787 1,049,362 524,681 1,574,044 787,022 393,511 1,180,534 590,267 1,770,802 885,401 2,656,204 1,328,102 664,051 1,992,154 996,077 2,988,232 1,494,116 747,058 373,529 1,120,588 560,294 280,147 840,442 420,221 1,260,664 630,332 315,166 157,583 472,750 236,375 709,126 354,563 1,063,690 531,845 1,595,536 797,768 398,884 199,442 99,721 299,164 149,582 74,791 224,374 112,187

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