1,379,394

2 × 3² × 197 × 389

Starting at 1,379,394, the Collatz iteration reaches 1 after 155 steps. The first transition is 689697; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 197 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,011,580

Proper Divisor Sum 1,632,186

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1379387 ← → #1379423

Radix Representation

Decimal	1379394
Binary	101010000110001000010 (21 bits)
Octal	0o5206102
Hexadecimal	0x150C42

Divisor Catalog (24)

1 2 3 6 9 18 197 389 394 591 778 1,167 1,182 1,773 2,334 3,501 3,546 7,002 76,633 153,266 229,899 459,798 689,697 1,379,394

Collatz Trajectory (155 steps to reach 1)

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

1,379,394 689,697 2,069,092 1,034,546 517,273 1,551,820 775,910 387,955 1,163,866 581,933 1,745,800 872,900 436,450 218,225 654,676 327,338 163,669 491,008 245,504 122,752 61,376 30,688 15,344 7,672 3,836 1,918 959 2,878 1,439 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460

← Previous Integer #1,379,393 Browse Full Index Next Integer #1,379,395 →