1,085,158

2 × 542579

Starting at 1,085,158, the Collatz iteration reaches 1 after 165 steps. The first transition is 542579; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 542579

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,627,740

Proper Divisor Sum 542,582

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1085153 ← → #1085159

Radix Representation

Decimal	1085158
Binary	100001000111011100110 (21 bits)
Octal	0o4107346
Hexadecimal	0x108EE6

Divisor Catalog (4)

1 2 542,579 1,085,158

Collatz Trajectory (165 steps to reach 1)

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

1,085,158 542,579 1,627,738 813,869 2,441,608 1,220,804 610,402 305,201 915,604 457,802 228,901 686,704 343,352 171,676 85,838 42,919 128,758 64,379 193,138 96,569 289,708 144,854 72,427 217,282 108,641 325,924 162,962 81,481 244,444 122,222 61,111 183,334 91,667 275,002 137,501 412,504 206,252 103,126 51,563 154,690 77,345 232,036 116,018 58,009 174,028 87,014 43,507 130,522 65,261 195,784 97,892 48,946 24,473 73,420 36,710 18,355 55,066 27,533 82,600 41,300

← Previous Integer #1,085,157 Browse Full Index Next Integer #1,085,159 →