1,525,583

547 × 2789

Starting at 1,525,583, the Collatz iteration reaches 1 after 80 steps. The first transition is 4576750; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 547 × 2789

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,528,920

Proper Divisor Sum 3,337

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1525571 ← → #1525607

Radix Representation

Decimal	1525583
Binary	101110100011101001111 (21 bits)
Octal	0o5643517
Hexadecimal	0x17474F

Divisor Catalog (4)

1 547 2,789 1,525,583

Collatz Trajectory (80 steps to reach 1)

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

1,525,583 4,576,750 2,288,375 6,865,126 3,432,563 10,297,690 5,148,845 15,446,536 7,723,268 3,861,634 1,930,817 5,792,452 2,896,226 1,448,113 4,344,340 2,172,170 1,086,085 3,258,256 1,629,128 814,564 407,282 203,641 610,924 305,462 152,731 458,194 229,097 687,292 343,646 171,823 515,470 257,735 773,206 386,603 1,159,810 579,905 1,739,716 869,858 434,929 1,304,788 652,394 326,197 978,592 489,296 244,648 122,324 61,162 30,581 91,744 45,872 22,936 11,468 5,734 2,867 8,602 4,301 12,904 6,452 3,226 1,613

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