3,979,729

13 × 306133

3,979,729 factors as 13 × 306133. Its 4 positive divisors give a proper-divisor sum of 306,147, so this integer is deficient. The Collatz stopping time is 66 steps.

Prime Factor Structure

Factorization String 13 × 306133

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,285,876

Proper Divisor Sum 306,147

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #3979711 ← → #3979739

Radix Representation

Decimal	3979729
Binary	1111001011100111010001 (22 bits)
Octal	0o17134721
Hexadecimal	0x3CB9D1

Divisor Catalog (4)

1 13 306,133 3,979,729

Collatz Trajectory (66 steps to reach 1)

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

3,979,729 11,939,188 5,969,594 2,984,797 8,954,392 4,477,196 2,238,598 1,119,299 3,357,898 1,678,949 5,036,848 2,518,424 1,259,212 629,606 314,803 944,410 472,205 1,416,616 708,308 354,154 177,077 531,232 265,616 132,808 66,404 33,202 16,601 49,804 24,902 12,451 37,354 18,677 56,032 28,016 14,008 7,004 3,502 1,751 5,254 2,627 7,882 3,941 11,824 5,912 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20

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