10874
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16314
- Proper Divisor Sum (Aliquot Sum)
- 5440
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5436
- Möbius Function
- 1
- Radical
- 10874
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 68
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- Number of set-like molecular species of degree n.at n=20A007649
- Numbers k such that the continued fraction for sqrt(k) has period 39.at n=19A020378
- Number of partitions satisfying cn(1,5) + cn(4,5) <= cn(2,5) + cn(3,5).at n=37A039894
- Numbers having four 2's in base 6.at n=31A043380
- Number of inequivalent ways (mod D_4) three checkers can be placed on an n X n board.at n=8A082966
- Number of binary polynomials of degree n irreducible over the integers.at n=14A087482
- a(n) = 0 if n <= 2; thereafter a(n) = A238827(n) + A238830(n-2).at n=15A238831
- The n-th number m such that a nontrivial prime(n)-th root of unity modulo m exists.at n=35A305828
- Sum of the third largest parts of the partitions of n into 9 parts.at n=37A326471
- a(n) is the number of ways to partition an n X n X n cube into 4 noncongruent cuboids.at n=22A384311
- a(n) is the number of ways to partition an n X n X n cube into four noncongruent cuboids of different volumes.at n=22A385580