2,642,853

3 × 880951

Starting at 2,642,853, the Collatz iteration reaches 1 after 68 steps. The first transition is 7928560; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 880951

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,523,808

Proper Divisor Sum 880,955

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2642839 ← → #2642863

Radix Representation

Decimal	2642853
Binary	1010000101001110100101 (22 bits)
Octal	0o12051645
Hexadecimal	0x2853A5

Divisor Catalog (4)

1 3 880,951 2,642,853

Collatz Trajectory (68 steps to reach 1)

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

2,642,853 7,928,560 3,964,280 1,982,140 991,070 495,535 1,486,606 743,303 2,229,910 1,114,955 3,344,866 1,672,433 5,017,300 2,508,650 1,254,325 3,762,976 1,881,488 940,744 470,372 235,186 117,593 352,780 176,390 88,195 264,586 132,293 396,880 198,440 99,220 49,610 24,805 74,416 37,208 18,604 9,302 4,651 13,954 6,977 20,932 10,466 5,233 15,700 7,850 3,925 11,776 5,888 2,944 1,472 736 368 184 92 46 23 70 35 106 53 160 80

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