1,293,626

2 × 401 × 1613

1,293,626 factors as 2 × 401 × 1613. Its 8 positive divisors give a proper-divisor sum of 652,858, so this integer is deficient. The Collatz stopping time is 217 steps.

Prime Factor Structure

Factorization String 2 × 401 × 1613

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,946,484

Proper Divisor Sum 652,858

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1293619 ← → #1293647

Radix Representation

Decimal	1293626
Binary	100111011110100111010 (21 bits)
Octal	0o4736472
Hexadecimal	0x13BD3A

Divisor Catalog (8)

1 2 401 802 1,613 3,226 646,813 1,293,626

Collatz Trajectory (217 steps to reach 1)

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

1,293,626 646,813 1,940,440 970,220 485,110 242,555 727,666 363,833 1,091,500 545,750 272,875 818,626 409,313 1,227,940 613,970 306,985 920,956 460,478 230,239 690,718 345,359 1,036,078 518,039 1,554,118 777,059 2,331,178 1,165,589 3,496,768 1,748,384 874,192 437,096 218,548 109,274 54,637 163,912 81,956 40,978 20,489 61,468 30,734 15,367 46,102 23,051 69,154 34,577 103,732 51,866 25,933 77,800 38,900 19,450 9,725 29,176 14,588 7,294 3,647 10,942 5,471 16,414 8,207

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