2,788,957

23 × 121259

Starting at 2,788,957, the Collatz iteration reaches 1 after 76 steps. The first transition is 8366872; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 23 × 121259

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,910,240

Proper Divisor Sum 121,283

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #2788939 ← → #2788979

Radix Representation

Decimal	2788957
Binary	1010101000111001011101 (22 bits)
Octal	0o12507135
Hexadecimal	0x2A8E5D

Divisor Catalog (4)

1 23 121,259 2,788,957

Collatz Trajectory (76 steps to reach 1)

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

2,788,957 8,366,872 4,183,436 2,091,718 1,045,859 3,137,578 1,568,789 4,706,368 2,353,184 1,176,592 588,296 294,148 147,074 73,537 220,612 110,306 55,153 165,460 82,730 41,365 124,096 62,048 31,024 15,512 7,756 3,878 1,939 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14

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