3104
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 6174
- Proper Divisor Sum (Aliquot Sum)
- 3070
- 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
- 194
- Omega Function (Ω)
- 6
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 123
- 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
- Numerators of expansion of e.g.f. sinh(x) / sin(x) (even powers only).at n=5A000965
- Numbers that are the sum of 4 positive 5th powers.at n=32A003349
- Numbers k such that k^64 + 1 is prime.at n=31A006316
- Number of partitions of 2n with all subsums different from n.at n=18A006827
- Coordination sequence T2 for Zeolite Code LTL.at n=41A008139
- Coordination sequence T6 for Zeolite Code MFS.at n=35A008178
- Coordination sequence T3 for Zeolite Code ZON.at n=39A009921
- Coordination sequence for MgNi2, Position Ni2.at n=14A009932
- Convolution of primes with themselves.at n=13A014342
- Powers of fifth root of 2 rounded down.at n=58A018117
- Powers of fifth root of 4 rounded down.at n=29A018123
- Powers of fifth root of 4 rounded to nearest integer.at n=29A018124
- a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 6.at n=14A022320
- Expansion of tan(sinh(x))*sin(x)/2.at n=4A024260
- Expansion of (theta_3(z)*theta_3(2z)+theta_2(z)*theta_2(2z))^4.at n=23A028579
- Theta series of 6-dimensional lattice of det 8.at n=28A029543
- 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 27.at n=19A031525
- Numbers k such that 37*2^k+1 is prime.at n=25A032368
- Position of first occurrence of n in the continued fraction for the Laplace's limit constant.at n=36A033261
- All slopes (a(n)-a(m))/(n-m) are distinct; generated from 0 by greedy algorithm.at n=48A033808