λ
Sequence Observatory

671,159

671159
Deficient Odd Prime

Starting at 671,159, the Collatz iteration reaches 1 after 92 steps. The first transition is 2013478; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 671159
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 671,160
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #671141 ← → #671161

Radix Representation

Decimal 671159
Binary 10100011110110110111 (20 bits)
Octal 0o2436667
Hexadecimal 0xA3DB7

Divisor Catalog (2)

Collatz Trajectory (92 steps to reach 1)

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

671,159 2,013,478 1,006,739 3,020,218 1,510,109 4,530,328 2,265,164 1,132,582 566,291 1,698,874 849,437 2,548,312 1,274,156 637,078 318,539 955,618 477,809 1,433,428 716,714 358,357 1,075,072 537,536 268,768 134,384 67,192 33,596 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631 1,894 947 2,842 1,421 4,264

More profiles

← Previous Integer #671,158 Browse Full Index Next Integer #671,160 →