2,913,889

11 × 264899

Starting at 2,913,889, the Collatz iteration reaches 1 after 213 steps. The first transition is 8741668; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 264899

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,178,800

Proper Divisor Sum 264,911

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2913871 ← → #2913913

Radix Representation

Decimal	2913889
Binary	1011000111011001100001 (22 bits)
Octal	0o13073141
Hexadecimal	0x2C7661

Divisor Catalog (4)

1 11 264,899 2,913,889

Collatz Trajectory (213 steps to reach 1)

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

2,913,889 8,741,668 4,370,834 2,185,417 6,556,252 3,278,126 1,639,063 4,917,190 2,458,595 7,375,786 3,687,893 11,063,680 5,531,840 2,765,920 1,382,960 691,480 345,740 172,870 86,435 259,306 129,653 388,960 194,480 97,240 48,620 24,310 12,155 36,466 18,233 54,700 27,350 13,675 41,026 20,513 61,540 30,770 15,385 46,156 23,078 11,539 34,618 17,309 51,928 25,964 12,982 6,491 19,474 9,737 29,212 14,606 7,303 21,910 10,955 32,866 16,433 49,300 24,650 12,325 36,976 18,488

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