λ
Sequence Observatory

5,681,477

29 × 195913
Deficient Odd Composite

Starting at 5,681,477, the Collatz iteration reaches 1 after 100 steps. The first transition is 17044432; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 29 × 195913
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,877,420
Proper Divisor Sum 195,943
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #5681471 ← → #5681497

Radix Representation

Decimal 5681477
Binary 10101101011000101000101 (23 bits)
Octal 0o25530505
Hexadecimal 0x56B145

Divisor Catalog (4)

1 29 195,913 5,681,477

Collatz Trajectory (100 steps to reach 1)

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

5,681,477 17,044,432 8,522,216 4,261,108 2,130,554 1,065,277 3,195,832 1,597,916 798,958 399,479 1,198,438 599,219 1,797,658 898,829 2,696,488 1,348,244 674,122 337,061 1,011,184 505,592 252,796 126,398 63,199 189,598 94,799 284,398 142,199 426,598 213,299 639,898 319,949 959,848 479,924 239,962 119,981 359,944 179,972 89,986 44,993 134,980 67,490 33,745 101,236 50,618 25,309 75,928 37,964 18,982 9,491 28,474 14,237 42,712 21,356 10,678 5,339 16,018 8,009 24,028 12,014 6,007

More profiles

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