10722
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 21456
- Proper Divisor Sum (Aliquot Sum)
- 10734
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 3572
- Möbius Function
- -1
- Radical
- 10722
- 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
- 73
- 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
- Coordination sequence for {A_5}* lattice.at n=8A008533
- McKay-Thompson series of class 31A for Monster.at n=35A058628
- Partial sums of A000960.at n=33A099074
- Positive integers k such that k^20 + 1 is semiprime (A001358).at n=37A105282
- Lesser of twin admirable numbers: k such that k and k+2 are both admirable numbers.at n=37A109730
- Bernoulli denominators with 8 divisors in increasing order (without repetitions).at n=43A219742
- Solution of the complementary equation a(n) = 2*a(n-1) - a(n-2) + b(n-1) + 2, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.at n=35A294870
- Partial sums of A097988 (d_3(n)^2).at n=48A330570
- Number of (unlabeled) 7-paths with n vertices.at n=9A345207
- Numbers that are the sum of seven fourth powers in five or more ways.at n=14A345571
- Numbers that are the sum of seven fourth powers in exactly five ways.at n=14A345827
- Number of unlabeled connected loopless multigraphs with n edges and degree >= 3 at each node.at n=12A360867