λ
Sequence Observatory

7,048,257

3 × 2349419
Deficient Odd Composite

Starting at 7,048,257, the Collatz iteration reaches 1 after 191 steps. The first transition is 21144772; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 2349419
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,397,680
Proper Divisor Sum 2,349,423
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7048213 ← → #7048271

Radix Representation

Decimal 7048257
Binary 11010111000110001000001 (23 bits)
Octal 0o32706101
Hexadecimal 0x6B8C41

Divisor Catalog (4)

1 3 2,349,419 7,048,257

Collatz Trajectory (191 steps to reach 1)

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

7,048,257 21,144,772 10,572,386 5,286,193 15,858,580 7,929,290 3,964,645 11,893,936 5,946,968 2,973,484 1,486,742 743,371 2,230,114 1,115,057 3,345,172 1,672,586 836,293 2,508,880 1,254,440 627,220 313,610 156,805 470,416 235,208 117,604 58,802 29,401 88,204 44,102 22,051 66,154 33,077 99,232 49,616 24,808 12,404 6,202 3,101 9,304 4,652 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246

More profiles

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