λ
Sequence Observatory

3,817,517

11 × 23 × 79 × 191
Deficient Odd Composite

Starting at 3,817,517, the Collatz iteration reaches 1 after 53 steps. The first transition is 11452552; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 11 × 23 × 79 × 191
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 4,423,680
Proper Divisor Sum 606,163
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3817511 ← → #3817523

Radix Representation

Decimal 3817517
Binary 1110100100000000101101 (22 bits)
Octal 0o16440055
Hexadecimal 0x3A402D

Divisor Catalog (16)

1 11 23 79 191 253 869 1,817 2,101 4,393 15,089 19,987 48,323 165,979 347,047 3,817,517

Collatz Trajectory (53 steps to reach 1)

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

3,817,517 11,452,552 5,726,276 2,863,138 1,431,569 4,294,708 2,147,354 1,073,677 3,221,032 1,610,516 805,258 402,629 1,207,888 603,944 301,972 150,986 75,493 226,480 113,240 56,620 28,310 14,155 42,466 21,233 63,700 31,850 15,925 47,776 23,888 11,944 5,972 2,986 1,493 4,480 2,240 1,120 560 280 140 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

More profiles

← Previous Integer #3,817,516 Browse Full Index Next Integer #3,817,518 →