2054
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 3360
- Proper Divisor Sum (Aliquot Sum)
- 1306
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 936
- Möbius Function
- -1
- Radical
- 2054
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 37
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Sum of 10 positive 9th powers.at n=4A003399
- Numbers that are the sum of 8 positive 10th powers.at n=2A004808
- Numbers that are the sum of 7 positive 11th powers.at n=1A004818
- Numbers that are the sum of at most 8 nonzero 10th powers.at n=23A004903
- Numbers that are the sum of at most 9 nonzero 10th powers.at n=25A004904
- Numbers that are the sum of at most 10 nonzero 10th powers.at n=27A004905
- Numbers that are the sum of at most 11 nonzero 10th powers.at n=29A004906
- Numbers that are the sum of at most 12 nonzero 10th powers.at n=31A004907
- Numbers that are the sum of at most 7 positive 11th powers.at n=14A004913
- Numbers that are the sum of at most 8 positive 11th powers.at n=15A004914
- Numbers that are the sum of at most 9 positive 11th powers.at n=16A004915
- Numbers that are the sum of at most 10 positive 11th powers.at n=17A004916
- Numbers that are the sum of at most 11 positive 11th powers.at n=18A004917
- Numbers that are the sum of at most 12 positive 11th powers.at n=19A004918
- Numbers k such that k, k+1 and k+2 have the same number of divisors.at n=39A005238
- Triangular numbers plus quarter squares: n*(n+1)/2 + floor(n^2/4) (i.e., A000217(n) + A002620(n)).at n=52A006578
- 'Eban' numbers (the letter 'e' is banned!).at n=33A006933
- Coordination sequence T7 for Zeolite Code NES.at n=29A008211
- Coordination sequence T2 for Moganite, also for BGB1.at n=29A008259
- Coordination sequence T1 for Zeolite Code ATO.at n=30A008265