2,486,917

71 × 35027

Starting at 2,486,917, the Collatz iteration reaches 1 after 143 steps. The first transition is 7460752; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 71 × 35027

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,522,016

Proper Divisor Sum 35,099

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #2486873 ← → #2486951

Radix Representation

Decimal	2486917
Binary	1001011111001010000101 (22 bits)
Octal	0o11371205
Hexadecimal	0x25F285

Divisor Catalog (4)

1 71 35,027 2,486,917

Collatz Trajectory (143 steps to reach 1)

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

2,486,917 7,460,752 3,730,376 1,865,188 932,594 466,297 1,398,892 699,446 349,723 1,049,170 524,585 1,573,756 786,878 393,439 1,180,318 590,159 1,770,478 885,239 2,655,718 1,327,859 3,983,578 1,991,789 5,975,368 2,987,684 1,493,842 746,921 2,240,764 1,120,382 560,191 1,680,574 840,287 2,520,862 1,260,431 3,781,294 1,890,647 5,671,942 2,835,971 8,507,914 4,253,957 12,761,872 6,380,936 3,190,468 1,595,234 797,617 2,392,852 1,196,426 598,213 1,794,640 897,320 448,660 224,330 112,165 336,496 168,248 84,124 42,062 21,031 63,094 31,547 94,642

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