λ
Sequence Observatory

7,901,275

52 × 316051
Deficient Odd Composite

Starting at 7,901,275, the Collatz iteration reaches 1 after 173 steps. The first transition is 23703826; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 316051
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 9,797,612
Proper Divisor Sum 1,896,337
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7901273 ← → #7901281

Radix Representation

Decimal 7901275
Binary 11110001001000001011011 (23 bits)
Octal 0o36110133
Hexadecimal 0x78905B

Divisor Catalog (6)

1 5 25 316,051 1,580,255 7,901,275

Collatz Trajectory (173 steps to reach 1)

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

7,901,275 23,703,826 11,851,913 35,555,740 17,777,870 8,888,935 26,666,806 13,333,403 40,000,210 20,000,105 60,000,316 30,000,158 15,000,079 45,000,238 22,500,119 67,500,358 33,750,179 101,250,538 50,625,269 151,875,808 75,937,904 37,968,952 18,984,476 9,492,238 4,746,119 14,238,358 7,119,179 21,357,538 10,678,769 32,036,308 16,018,154 8,009,077 24,027,232 12,013,616 6,006,808 3,003,404 1,501,702 750,851 2,252,554 1,126,277 3,378,832 1,689,416 844,708 422,354 211,177 633,532 316,766 158,383 475,150 237,575 712,726 356,363 1,069,090 534,545 1,603,636 801,818 400,909 1,202,728 601,364 300,682

More profiles

← Previous Integer #7,901,274 Browse Full Index Next Integer #7,901,276 →