2,651,698

2 × 7 × 189407

Starting at 2,651,698, the Collatz iteration reaches 1 after 125 steps. The first transition is 1325849; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 189407

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,545,792

Proper Divisor Sum 1,894,094

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #2651687 ← → #2651699

Radix Representation

Decimal	2651698
Binary	1010000111011000110010 (22 bits)
Octal	0o12073062
Hexadecimal	0x287632

Divisor Catalog (8)

1 2 7 14 189,407 378,814 1,325,849 2,651,698

Collatz Trajectory (125 steps to reach 1)

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

2,651,698 1,325,849 3,977,548 1,988,774 994,387 2,983,162 1,491,581 4,474,744 2,237,372 1,118,686 559,343 1,678,030 839,015 2,517,046 1,258,523 3,775,570 1,887,785 5,663,356 2,831,678 1,415,839 4,247,518 2,123,759 6,371,278 3,185,639 9,556,918 4,778,459 14,335,378 7,167,689 21,503,068 10,751,534 5,375,767 16,127,302 8,063,651 24,190,954 12,095,477 36,286,432 18,143,216 9,071,608 4,535,804 2,267,902 1,133,951 3,401,854 1,700,927 5,102,782 2,551,391 7,654,174 3,827,087 11,481,262 5,740,631 17,221,894 8,610,947 25,832,842 12,916,421 38,749,264 19,374,632 9,687,316 4,843,658 2,421,829 7,265,488 3,632,744

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