6073
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
- 2
- Divisor Sum
- 6074
- Proper Divisor Sum (Aliquot Sum)
- 1
- 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
- 6072
- Möbius Function
- -1
- Radical
- 6073
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 62
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 792
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Add 1, multiply by 1, add 2, multiply by 2, etc., start with 3.at n=13A019462
- Numbers k such that the continued fraction for sqrt(k) has period 99.at n=3A020438
- Primes that remain prime through 3 iterations of function f(x) = 3x + 4.at n=5A023278
- Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 18 (most significant digit on right).at n=22A029511
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 42 ones.at n=25A031810
- Primes p such that x^23 = 2 has no solution mod p.at n=37A040984
- The sequence e when b=[ 1,0,1,1,1,... ].at n=34A042953
- Primes with first digit 6.at n=26A045712
- Number of ordered pairs of integers (x,y) with x^2+y^2 < n^2.at n=44A051132
- Primes base 10 that remain primes in five bases b, 2<=b<=10, expansions interpreted as decimal numbers.at n=25A052029
- Primes p such that p-6, p and p+6 are consecutive primes.at n=42A053070
- P(p(n)), P = primes (A000040), p = partition numbers (A000041).at n=21A058697
- 7th-order Fibonacci numbers with a(0)=...=a(6)=1.at n=17A060455
- Primes with 10 as smallest positive primitive root.at n=15A061323
- Integer part of log(n!)^(1 + log(1 + log(n))).at n=19A062443
- Nearest integer to log(n!)^(1 + log(1 + log(n))).at n=19A062444
- Arithmetic mean of largest subset of {A063676(1), ......., A063676(n-1)} such that a(n) is an integer and a(n) is maximal.at n=41A063678
- Numbers k such that 100k+1, 100k+3, 100k+7, 100k+9 are all primes.at n=10A064687
- Centered 22-gonal numbers.at n=23A069173
- Centered 24-gonal numbers.at n=22A069190