λ
Sequence Observatory

7,285,679

7285679
Deficient Odd Prime

Starting at 7,285,679, the Collatz iteration reaches 1 after 191 steps. The first transition is 21857038; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 7285679
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 7,285,680
Proper Divisor Sum 1
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #7285661 ← → #7285697

Radix Representation

Decimal 7285679
Binary 11011110010101110101111 (23 bits)
Octal 0o33625657
Hexadecimal 0x6F2BAF

Divisor Catalog (2)

Collatz Trajectory (191 steps to reach 1)

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

7,285,679 21,857,038 10,928,519 32,785,558 16,392,779 49,178,338 24,589,169 73,767,508 36,883,754 18,441,877 55,325,632 27,662,816 13,831,408 6,915,704 3,457,852 1,728,926 864,463 2,593,390 1,296,695 3,890,086 1,945,043 5,835,130 2,917,565 8,752,696 4,376,348 2,188,174 1,094,087 3,282,262 1,641,131 4,923,394 2,461,697 7,385,092 3,692,546 1,846,273 5,538,820 2,769,410 1,384,705 4,154,116 2,077,058 1,038,529 3,115,588 1,557,794 778,897 2,336,692 1,168,346 584,173 1,752,520 876,260 438,130 219,065 657,196 328,598 164,299 492,898 246,449 739,348 369,674 184,837 554,512 277,256

More profiles

← Previous Integer #7,285,678 Browse Full Index Next Integer #7,285,680 →