1,585,159

331 × 4789

Starting at 1,585,159, the Collatz iteration reaches 1 after 75 steps. The first transition is 4755478; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 331 × 4789

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,590,280

Proper Divisor Sum 5,121

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1585147 ← → #1585201

Radix Representation

Decimal	1585159
Binary	110000011000000000111 (21 bits)
Octal	0o6030007
Hexadecimal	0x183007

Divisor Catalog (4)

1 331 4,789 1,585,159

Collatz Trajectory (75 steps to reach 1)

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

1,585,159 4,755,478 2,377,739 7,133,218 3,566,609 10,699,828 5,349,914 2,674,957 8,024,872 4,012,436 2,006,218 1,003,109 3,009,328 1,504,664 752,332 376,166 188,083 564,250 282,125 846,376 423,188 211,594 105,797 317,392 158,696 79,348 39,674 19,837 59,512 29,756 14,878 7,439 22,318 11,159 33,478 16,739 50,218 25,109 75,328 37,664 18,832 9,416 4,708 2,354 1,177 3,532 1,766 883 2,650 1,325 3,976 1,988 994 497 1,492 746 373 1,120 560 280

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