2,990,491

7 × 427213

Starting at 2,990,491, the Collatz iteration reaches 1 after 112 steps. The first transition is 8971474; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 427213

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,417,712

Proper Divisor Sum 427,221

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2990459 ← → #2990497

Radix Representation

Decimal	2990491
Binary	1011011010000110011011 (22 bits)
Octal	0o13320633
Hexadecimal	0x2DA19B

Divisor Catalog (4)

1 7 427,213 2,990,491

Collatz Trajectory (112 steps to reach 1)

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

2,990,491 8,971,474 4,485,737 13,457,212 6,728,606 3,364,303 10,092,910 5,046,455 15,139,366 7,569,683 22,709,050 11,354,525 34,063,576 17,031,788 8,515,894 4,257,947 12,773,842 6,386,921 19,160,764 9,580,382 4,790,191 14,370,574 7,185,287 21,555,862 10,777,931 32,333,794 16,166,897 48,500,692 24,250,346 12,125,173 36,375,520 18,187,760 9,093,880 4,546,940 2,273,470 1,136,735 3,410,206 1,705,103 5,115,310 2,557,655 7,672,966 3,836,483 11,509,450 5,754,725 17,264,176 8,632,088 4,316,044 2,158,022 1,079,011 3,237,034 1,618,517 4,855,552 2,427,776 1,213,888 606,944 303,472 151,736 75,868 37,934 18,967

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