λ
Sequence Observatory

9,139,238

2 × 4569619
Deficient Even Composite

Starting at 9,139,238, the Collatz iteration reaches 1 after 132 steps. The first transition is 4569619; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4569619
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 13,708,860
Proper Divisor Sum 4,569,622
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #9139237 ← → #9139253

Radix Representation

Decimal 9139238
Binary 100010110111010000100110 (24 bits)
Octal 0o42672046
Hexadecimal 0x8B7426

Divisor Catalog (4)

1 2 4,569,619 9,139,238

Collatz Trajectory (132 steps to reach 1)

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

9,139,238 4,569,619 13,708,858 6,854,429 20,563,288 10,281,644 5,140,822 2,570,411 7,711,234 3,855,617 11,566,852 5,783,426 2,891,713 8,675,140 4,337,570 2,168,785 6,506,356 3,253,178 1,626,589 4,879,768 2,439,884 1,219,942 609,971 1,829,914 914,957 2,744,872 1,372,436 686,218 343,109 1,029,328 514,664 257,332 128,666 64,333 193,000 96,500 48,250 24,125 72,376 36,188 18,094 9,047 27,142 13,571 40,714 20,357 61,072 30,536 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665

More profiles

← Previous Integer #9,139,237 Browse Full Index Next Integer #9,139,239 →