λ
Sequence Observatory

7,477,054

2 × 13 × 287579
Deficient Even Composite

Starting at 7,477,054, the Collatz iteration reaches 1 after 111 steps. The first transition is 3738527; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 13 × 287579
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,078,360
Proper Divisor Sum 4,601,306
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #7477037 ← → #7477069

Radix Representation

Decimal 7477054
Binary 11100100001011100111110 (23 bits)
Octal 0o34413476
Hexadecimal 0x72173E

Divisor Catalog (8)

1 2 13 26 287,579 575,158 3,738,527 7,477,054

Collatz Trajectory (111 steps to reach 1)

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

7,477,054 3,738,527 11,215,582 5,607,791 16,823,374 8,411,687 25,235,062 12,617,531 37,852,594 18,926,297 56,778,892 28,389,446 14,194,723 42,584,170 21,292,085 63,876,256 31,938,128 15,969,064 7,984,532 3,992,266 1,996,133 5,988,400 2,994,200 1,497,100 748,550 374,275 1,122,826 561,413 1,684,240 842,120 421,060 210,530 105,265 315,796 157,898 78,949 236,848 118,424 59,212 29,606 14,803 44,410 22,205 66,616 33,308 16,654 8,327 24,982 12,491 37,474 18,737 56,212 28,106 14,053 42,160 21,080 10,540 5,270 2,635 7,906

More profiles

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