2,531,395

5 × 59 × 8581

Starting at 2,531,395, the Collatz iteration reaches 1 after 249 steps. The first transition is 7594186; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 59 × 8581

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,089,520

Proper Divisor Sum 558,125

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2531393 ← → #2531413

Radix Representation

Decimal	2531395
Binary	1001101010000001000011 (22 bits)
Octal	0o11520103
Hexadecimal	0x26A043

Divisor Catalog (8)

1 5 59 295 8,581 42,905 506,279 2,531,395

Collatz Trajectory (249 steps to reach 1)

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

2,531,395 7,594,186 3,797,093 11,391,280 5,695,640 2,847,820 1,423,910 711,955 2,135,866 1,067,933 3,203,800 1,601,900 800,950 400,475 1,201,426 600,713 1,802,140 901,070 450,535 1,351,606 675,803 2,027,410 1,013,705 3,041,116 1,520,558 760,279 2,280,838 1,140,419 3,421,258 1,710,629 5,131,888 2,565,944 1,282,972 641,486 320,743 962,230 481,115 1,443,346 721,673 2,165,020 1,082,510 541,255 1,623,766 811,883 2,435,650 1,217,825 3,653,476 1,826,738 913,369 2,740,108 1,370,054 685,027 2,055,082 1,027,541 3,082,624 1,541,312 770,656 385,328 192,664 96,332

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