1,385,593

11 × 125963

Starting at 1,385,593, the Collatz iteration reaches 1 after 155 steps. The first transition is 4156780; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 125963

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,511,568

Proper Divisor Sum 125,975

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1385569 ← → #1385603

Radix Representation

Decimal	1385593
Binary	101010010010001111001 (21 bits)
Octal	0o5222171
Hexadecimal	0x152479

Divisor Catalog (4)

1 11 125,963 1,385,593

Collatz Trajectory (155 steps to reach 1)

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

1,385,593 4,156,780 2,078,390 1,039,195 3,117,586 1,558,793 4,676,380 2,338,190 1,169,095 3,507,286 1,753,643 5,260,930 2,630,465 7,891,396 3,945,698 1,972,849 5,918,548 2,959,274 1,479,637 4,438,912 2,219,456 1,109,728 554,864 277,432 138,716 69,358 34,679 104,038 52,019 156,058 78,029 234,088 117,044 58,522 29,261 87,784 43,892 21,946 10,973 32,920 16,460 8,230 4,115 12,346 6,173 18,520 9,260 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466

← Previous Integer #1,385,592 Browse Full Index Next Integer #1,385,594 →