6368
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 12600
- Proper Divisor Sum (Aliquot Sum)
- 6232
- 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
- 3168
- Möbius Function
- 0
- Radical
- 398
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 124
- 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
- Larger of amicable pair.at n=4A002046
- a(n) = floor(n*phi^11), where phi is the golden ratio, A001622.at n=32A004926
- a(n) = round(n*phi^11), where phi is the golden ratio, A001622.at n=32A004946
- n written in fractional base 9/6.at n=44A024654
- Numbers that are the sum of 4 nonzero squares in exactly 10 ways.at n=41A025366
- Expansion of (theta_3(z)*theta_3(7z) + theta_2(z)*theta_2(7z))^4.at n=11A028596
- First differences give (essentially) A028242.at n=38A035107
- Numbers n such that there are equal numbers of 0's and 1's in first n digits of binary representation of Pi.at n=11A039624
- Numbers n such that 99*2^n-1 is prime.at n=26A050575
- McKay-Thompson series of class 12G for Monster.at n=33A058485
- Numbers n such that n*5^n - 1 is prime.at n=6A059676
- Integer part of log(n!)^(1 + log(1 + log(1 + n))).at n=19A062445
- Amicable numbers.at n=9A063990
- Least number which may be expressed as the sum of a prime number and a nonzero square in exactly n different ways.at n=34A064283
- Product of sums of divisors and non-divisors.at n=20A066859
- Numbers k such that S(k+2) = d(k)+2, where S(k) is the Kempner function (A002034) and d(k) is the number of divisors of k (A000005).at n=32A073535
- Trinomial transform of Lucas numbers (A000032).at n=5A082762
- Numerators of "Farey fraction" approximations to Pi.at n=44A097545
- 3*Volume of the root-n Waterman polyhedron as defined in A119870.at n=33A119873
- Poincaré series [or Poincare series] P(C#_{3,2}; x).at n=23A124630