λ
Sequence Observatory

3,447,133

73 × 47221
Deficient Odd Composite

Starting at 3,447,133, the Collatz iteration reaches 1 after 58 steps. The first transition is 10341400; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 73 × 47221
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,494,428
Proper Divisor Sum 47,295
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #3447131 ← → #3447139

Radix Representation

Decimal 3447133
Binary 1101001001100101011101 (22 bits)
Octal 0o15114535
Hexadecimal 0x34995D

Divisor Catalog (4)

1 73 47,221 3,447,133

Collatz Trajectory (58 steps to reach 1)

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

3,447,133 10,341,400 5,170,700 2,585,350 1,292,675 3,878,026 1,939,013 5,817,040 2,908,520 1,454,260 727,130 363,565 1,090,696 545,348 272,674 136,337 409,012 204,506 102,253 306,760 153,380 76,690 38,345 115,036 57,518 28,759 86,278 43,139 129,418 64,709 194,128 97,064 48,532 24,266 12,133 36,400 18,200 9,100 4,550 2,275 6,826 3,413 10,240 5,120 2,560 1,280 640 320 160 80 40 20 10 5 16 8 4 2 1

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