λ
Ratio Atlas

2,001,031

443 × 4517
Deficient Odd Composite

2,001,031 factors as 443 × 4517. Its 4 positive divisors give a proper-divisor sum of 4,961, so this integer is deficient. The Collatz stopping time is 140 steps.

Prime Factor Structure

Factorization String 443 × 4517
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,005,992
Proper Divisor Sum 4,961
Digit Sum / Digital Root 7 (Root: 7)
Adjacent Primes #2000989 ← → #2001037

Radix Representation

Decimal 2001031
Binary 111101000100010000111 (21 bits)
Octal 0o7504207
Hexadecimal 0x1E8887

Divisor Catalog (4)

1 443 4,517 2,001,031

Collatz Trajectory (140 steps to reach 1)

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

2,001,031 6,003,094 3,001,547 9,004,642 4,502,321 13,506,964 6,753,482 3,376,741 10,130,224 5,065,112 2,532,556 1,266,278 633,139 1,899,418 949,709 2,849,128 1,424,564 712,282 356,141 1,068,424 534,212 267,106 133,553 400,660 200,330 100,165 300,496 150,248 75,124 37,562 18,781 56,344 28,172 14,086 7,043 21,130 10,565 31,696 15,848 7,924 3,962 1,981 5,944 2,972 1,486 743 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119

More profiles

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