16062
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 32136
- Proper Divisor Sum (Aliquot Sum)
- 16074
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 5352
- Möbius Function
- -1
- Radical
- 16062
- 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
- 45
- 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
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 84.at n=35A031582
- Numbers k such that 187*2^k+1 is prime.at n=11A032470
- Multiplicity of highest weight (or singular) vectors associated with character chi_29 of Monster module.at n=39A034417
- Numbers whose base-4 representation contains exactly three 2's and four 3's.at n=27A045152
- a(n)=Sum{T(n,j): j=1,2,...,n}, array T given by A048225.at n=26A048235
- Admirable numbers in the middle of twin primes.at n=39A135502
- Maximal number of right triangles in n turns of Pythagoras's snail.at n=39A137515
- Numbers that are divisible by exactly 3 primes (counted with multiplicity) and sandwiched between primes.at n=38A171179
- Sequence of the "Natural Jewels": a natural jewel is a number that is totally enclosed by prime numbers in a version of Ulam Spiral.at n=13A172294
- Number of right triangles on an (n+1) X 5 grid.at n=23A189809
- Number of n X 3 0..1 arrays with every one equal to some NW, E or S neighbor.at n=5A202901
- Number of n X 6 0..1 arrays with every one equal to some NW, E or S neighbor.at n=2A202904
- T(n,k) = Number of n X k 0..1 arrays with every one equal to some NW, E or S neighbor.at n=30A202906
- T(n,k) = Number of n X k 0..1 arrays with every one equal to some NW, E or S neighbor.at n=33A202906
- Numbers n such that n is the average of four consecutive primes n-5, n-1, n+1 and n+5.at n=29A258088
- Numbers on the square spiral board that are enclosed by four primes.at n=14A341542
- Number of integer partitions of n with reverse-alternating product <= 1.at n=39A347443