5,515,637

5515637

Starting at 5,515,637, the Collatz iteration reaches 1 after 157 steps. The first transition is 16546912; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 5515637

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 5,515,638

Proper Divisor Sum 1

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #5515621 ← → #5515649

Radix Representation

Decimal	5515637
Binary	10101000010100101110101 (23 bits)
Octal	0o25024565
Hexadecimal	0x542975

Divisor Catalog (2)

1 5,515,637

Collatz Trajectory (157 steps to reach 1)

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

5,515,637 16,546,912 8,273,456 4,136,728 2,068,364 1,034,182 517,091 1,551,274 775,637 2,326,912 1,163,456 581,728 290,864 145,432 72,716 36,358 18,179 54,538 27,269 81,808 40,904 20,452 10,226 5,113 15,340 7,670 3,835 11,506 5,753 17,260 8,630 4,315 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973

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