2,971,959

3 × 139 × 7127

Starting at 2,971,959, the Collatz iteration reaches 1 after 169 steps. The first transition is 8915878; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 139 × 7127

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,991,680

Proper Divisor Sum 1,019,721

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #2971909 ← → #2971963

Radix Representation

Decimal	2971959
Binary	1011010101100100110111 (22 bits)
Octal	0o13254467
Hexadecimal	0x2D5937

Divisor Catalog (8)

1 3 139 417 7,127 21,381 990,653 2,971,959

Collatz Trajectory (169 steps to reach 1)

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

2,971,959 8,915,878 4,457,939 13,373,818 6,686,909 20,060,728 10,030,364 5,015,182 2,507,591 7,522,774 3,761,387 11,284,162 5,642,081 16,926,244 8,463,122 4,231,561 12,694,684 6,347,342 3,173,671 9,521,014 4,760,507 14,281,522 7,140,761 21,422,284 10,711,142 5,355,571 16,066,714 8,033,357 24,100,072 12,050,036 6,025,018 3,012,509 9,037,528 4,518,764 2,259,382 1,129,691 3,389,074 1,694,537 5,083,612 2,541,806 1,270,903 3,812,710 1,906,355 5,719,066 2,859,533 8,578,600 4,289,300 2,144,650 1,072,325 3,216,976 1,608,488 804,244 402,122 201,061 603,184 301,592 150,796 75,398 37,699 113,098

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