3146
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 5586
- Proper Divisor Sum (Aliquot Sum)
- 2440
- 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
- 1320
- Möbius Function
- 0
- Radical
- 286
- Omega Function (Ω)
- 4
- 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
- 61
- 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
- 4-dimensional figurate numbers: a(n) = n*binomial(n+2, 3).at n=10A002417
- Expansion of (1-x)^(-3) * (1-x^2)^(-2).at n=20A002624
- a(n) = n^2*(5*n-3)/2.at n=11A006597
- Coordination sequence T3 for Zeolite Code EMT.at n=46A008088
- Coordination sequence T4 for Zeolite Code MEL.at n=36A008153
- Coordination sequence T6 for Zeolite Code MEL.at n=36A008155
- Coordination sequence T3 for Zeolite Code PAU.at n=41A008221
- Coordination sequence T1 for Zeolite Code WEI.at n=40A009917
- Pseudoprimes to base 27.at n=27A020155
- Pisot sequence T(7,10), a(n) = floor(a(n-1)^2/a(n-2)).at n=29A020752
- Positive numbers k such that k and 2*k are anagrams in base 8 (written in base 8).at n=12A023073
- Coordination sequence T4 for Zeolite Code MWW.at n=38A024989
- a(n) = 22*(n+1)*binomial(n+3,12).at n=1A027797
- Numbers k whose decimal representation, read as a base-21 value and divided by k, yields an integer.at n=25A032573
- Numbers whose set of base-6 digits is {2,3}.at n=34A032806
- Trajectory of 1 under map n->17n+1 if n odd, n->n/2 if n even.at n=19A033965
- Number of partitions of n into parts not of the form 17k, 17k+8 or 17k-8. Also number of partitions with at most 7 parts of size 1 and differences between parts at distance 7 are greater than 1.at n=29A035969
- Coordination sequence T5 for Zeolite Code STT.at n=37A038415
- Denominators of continued fraction convergents to sqrt(581).at n=8A042113
- Base-6 palindromes that start with 2.at n=29A043011