2,643,477

3 × 881159

Starting at 2,643,477, the Collatz iteration reaches 1 after 99 steps. The first transition is 7930432; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 881159

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,524,640

Proper Divisor Sum 881,163

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2643461 ← → #2643479

Radix Representation

Decimal	2643477
Binary	1010000101011000010101 (22 bits)
Octal	0o12053025
Hexadecimal	0x285615

Divisor Catalog (4)

1 3 881,159 2,643,477

Collatz Trajectory (99 steps to reach 1)

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

2,643,477 7,930,432 3,965,216 1,982,608 991,304 495,652 247,826 123,913 371,740 185,870 92,935 278,806 139,403 418,210 209,105 627,316 313,658 156,829 470,488 235,244 117,622 58,811 176,434 88,217 264,652 132,326 66,163 198,490 99,245 297,736 148,868 74,434 37,217 111,652 55,826 27,913 83,740 41,870 20,935 62,806 31,403 94,210 47,105 141,316 70,658 35,329 105,988 52,994 26,497 79,492 39,746 19,873 59,620 29,810 14,905 44,716 22,358 11,179 33,538 16,769

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