λ
Sequence Observatory

3,928,994

2 × 89 × 22073
Deficient Even Composite

Starting at 3,928,994, the Collatz iteration reaches 1 after 79 steps. The first transition is 1964497; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 89 × 22073
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,959,980
Proper Divisor Sum 2,030,986
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #3928979 ← → #3928997

Radix Representation

Decimal 3928994
Binary 1110111111001110100010 (22 bits)
Octal 0o16771642
Hexadecimal 0x3BF3A2

Divisor Catalog (8)

1 2 89 178 22,073 44,146 1,964,497 3,928,994

Collatz Trajectory (79 steps to reach 1)

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

3,928,994 1,964,497 5,893,492 2,946,746 1,473,373 4,420,120 2,210,060 1,105,030 552,515 1,657,546 828,773 2,486,320 1,243,160 621,580 310,790 155,395 466,186 233,093 699,280 349,640 174,820 87,410 43,705 131,116 65,558 32,779 98,338 49,169 147,508 73,754 36,877 110,632 55,316 27,658 13,829 41,488 20,744 10,372 5,186 2,593 7,780 3,890 1,945 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232 116

More profiles

← Previous Integer #3,928,993 Browse Full Index Next Integer #3,928,995 →