2,584,895

5 × 516979

Starting at 2,584,895, the Collatz iteration reaches 1 after 249 steps. The first transition is 7754686; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 516979

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,101,880

Proper Divisor Sum 516,985

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #2584891 ← → #2584909

Radix Representation

Decimal	2584895
Binary	1001110111000100111111 (22 bits)
Octal	0o11670477
Hexadecimal	0x27713F

Divisor Catalog (4)

1 5 516,979 2,584,895

Collatz Trajectory (249 steps to reach 1)

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

2,584,895 7,754,686 3,877,343 11,632,030 5,816,015 17,448,046 8,724,023 26,172,070 13,086,035 39,258,106 19,629,053 58,887,160 29,443,580 14,721,790 7,360,895 22,082,686 11,041,343 33,124,030 16,562,015 49,686,046 24,843,023 74,529,070 37,264,535 111,793,606 55,896,803 167,690,410 83,845,205 251,535,616 125,767,808 62,883,904 31,441,952 15,720,976 7,860,488 3,930,244 1,965,122 982,561 2,947,684 1,473,842 736,921 2,210,764 1,105,382 552,691 1,658,074 829,037 2,487,112 1,243,556 621,778 310,889 932,668 466,334 233,167 699,502 349,751 1,049,254 524,627 1,573,882 786,941 2,360,824 1,180,412 590,206

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