3076
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 5390
- Proper Divisor Sum (Aliquot Sum)
- 2314
- 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
- 1536
- Möbius Function
- 0
- Radical
- 1538
- Omega Function (Ω)
- 3
- 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
- 35
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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=6A003399
- Bode numbers multiplied by 10: 4 + 3*floor(2^(n-1)).at n=11A003461
- Numbers that are the sum of 7 positive 10th powers.at n=3A004807
- Numbers that are the sum of at most 7 nonzero 10th powers.at n=25A004902
- Numbers that are the sum of at most 8 nonzero 10th powers.at n=28A004903
- Numbers that are the sum of at most 9 nonzero 10th powers.at n=31A004904
- Numbers that are the sum of at most 10 nonzero 10th powers.at n=34A004905
- Numbers that are the sum of at most 11 nonzero 10th powers.at n=37A004906
- Numbers that are the sum of at most 12 nonzero 10th powers.at n=40A004907
- Coordination sequence T3 for Zeolite Code ATS.at n=40A008040
- Coordination sequence T2 for Zeolite Code FER.at n=34A008107
- Coordination sequence T4 for Zeolite Code RSN.at n=36A009888
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RTE = RUB-3 [Si24O48].2R starting with a T2 atom.at n=11A019224
- Numbers k such that the continued fraction for sqrt(k) has period 66.at n=6A020405
- Numbers k such that Fibonacci(k) == 3 (mod k).at n=37A023175
- a(n) = least m such that if r and s in {1/1, 1/2, 1/3, ..., 1/n} satisfy r < s, then r < k/m < (k+4)/m < s for some integer k.at n=25A024846
- a(n) = sum of the numbers between the two n's in A026370.at n=28A026373
- T(n,0) + T(n,1) + ... + T(n,n), T given by A026568.at n=9A026580
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 28 ones.at n=17A031796
- Numbers k such that 33*2^k+1 is prime.at n=19A032366