1,401,374

2 × 13 × 53899

Starting at 1,401,374, the Collatz iteration reaches 1 after 129 steps. The first transition is 700687; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 13 × 53899

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,263,800

Proper Divisor Sum 862,426

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1401371 ← → #1401377

Radix Representation

Decimal	1401374
Binary	101010110001000011110 (21 bits)
Octal	0o5261036
Hexadecimal	0x15621E

Divisor Catalog (8)

1 2 13 26 53,899 107,798 700,687 1,401,374

Collatz Trajectory (129 steps to reach 1)

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

1,401,374 700,687 2,102,062 1,051,031 3,153,094 1,576,547 4,729,642 2,364,821 7,094,464 3,547,232 1,773,616 886,808 443,404 221,702 110,851 332,554 166,277 498,832 249,416 124,708 62,354 31,177 93,532 46,766 23,383 70,150 35,075 105,226 52,613 157,840 78,920 39,460 19,730 9,865 29,596 14,798 7,399 22,198 11,099 33,298 16,649 49,948 24,974 12,487 37,462 18,731 56,194 28,097 84,292 42,146 21,073 63,220 31,610 15,805 47,416 23,708 11,854 5,927 17,782 8,891

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