1096
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
- 8
- Divisor Sum
- 2070
- Proper Divisor Sum (Aliquot Sum)
- 974
- 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
- 544
- Möbius Function
- 0
- Radical
- 274
- Omega Function (Ω)
- 4
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 93
- 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
- Definition (1): Number of n-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed.at n=15A000013
- a(n) is the number of distinct (infinite) output sequences from binary n-stage shift register which feeds back the complement of the last stage.at n=15A000016
- a(n) = floor(e^n).at n=7A000149
- Number of discordant permutations.at n=5A000561
- 2nd differences are periodic.at n=24A002082
- Number of circulant tournaments on 2n+1 nodes up to Cayley isomorphism.at n=14A002086
- Number of ways of getting a straight flush, 4 of a kind, full house, flush, straight, 3 of a kind, 2 pair, a pair, nothing in a 3-card poker hand.at n=3A002834
- Numbers that are the sum of 11 positive 5th powers.at n=48A003356
- Numbers k >= 2 such that if 1 <= j < k then fractional part of log k > fractional part of log j.at n=6A004791
- a(n) = floor(e^((n-1)/2)).at n=15A005182
- The limiting sequence [A259095(r(r+1)/2-s,r), s=0,1,2,...,r-1] for very large r.at n=25A005576
- Coordination sequence T2 for Zeolite Code AEI.at n=25A008002
- Coordination sequence T5 for Zeolite Code AET.at n=23A008011
- Coordination sequence T3 for Zeolite Code LOV.at n=22A008136
- Coordination sequence T1 for Zeolite Code NON.at n=20A008212
- a(n) = floor(n*(n-1)*(n-2)/16).at n=27A011898
- a(n) = floor( n*(n-1)*(n-2)/20 ).at n=29A011902
- Iccanobif numbers: add a(n-1) to reversal of a(n-2).at n=15A014260
- a(n) = Sum_{k=1..n} floor(k^4/n).at n=7A014819
- Expansion of 1/(1-x^9-x^10-x^11-x^12-x^13-x^14-x^15-x^16-x^17-x^18-x^19).at n=52A017886