λ
Ratio Atlas

21,360,149

21360149
Deficient Odd Prime

21,360,149 factors as 21360149. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 120 steps.

Prime Factor Structure

Factorization String 21360149
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 21,360,150
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #21360127 ← → #21360173

Radix Representation

Decimal 21360149
Binary 1010001011110111000010101 (25 bits)
Octal 0o121367025
Hexadecimal 0x145EE15

Divisor Catalog (2)

Collatz Trajectory (120 steps to reach 1)

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

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #21,360,148 Browse Full Index Next Integer #21,360,150 →