1916
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 3360
- Proper Divisor Sum (Aliquot Sum)
- 1444
- 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
- 956
- Möbius Function
- 0
- Radical
- 958
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 55
- 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
- Number of partitions of n into parts 5k+2 or 5k+3.at n=61A003106
- Coordination sequence T2 for Zeolite Code APD.at n=29A008035
- Coordination sequence T1 for Zeolite Code GME and AFX.at n=33A008110
- Coordination sequence T8 for Zeolite Code MFS.at n=27A008180
- Coordination sequence T4 for Zeolite Code PAU.at n=32A008222
- Coordination sequence T5 for Zeolite Code PAU.at n=32A008223
- Composite numbers that are equal to the sum of the first k composites for some k.at n=39A013921
- Number of lines through exactly 8 points of an n X n grid of points.at n=48A018815
- Number of lines through exactly 10 points of an n X n grid of points.at n=49A018817
- Irreducible quadruple Euler sums of weight 2n+10 (verified for n <= 14).at n=45A019449
- Ceiling of Gamma(n+2/3)/Gamma(2/3).at n=7A020133
- Numbers k such that the continued fraction for sqrt(k) has period 28.at n=33A020367
- Numbers with exactly 5 2's in their ternary expansion.at n=37A023703
- a(n) = floor( Sum_{1 <= i < j <= n} ((sqrt(j)-sqrt(i))^3) ).at n=23A025197
- Number of partitions of n into distinct parts, the least being odd.at n=48A026832
- Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 2 (mod 5).at n=36A035563
- Number of partitions of n with equal number of parts congruent to each of 2, 3 and 4 (mod 5).at n=43A035581
- Coordination sequence T7 for Zeolite Code SFF.at n=29A038431
- Growth function (or coordination sequence) of the infinite cubic graph corresponding to the srs net (a(n) = number of nodes at distance n from a fixed node).at n=38A038620
- Numbers k such that 1 and 6 occur juxtaposed in the base-10 representation of k but not of k-1.at n=37A043229