3271
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 3272
- 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
- 3270
- Möbius Function
- -1
- Radical
- 3271
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 136
- 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
- 462
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes p such that the multiplicative order of 2 modulo p is (p-1)/6.at n=20A001136
- From relations between Siegel theta series.at n=40A006476
- Coordination sequence T2 for Zeolite Code EMT.at n=47A008087
- Coordination sequence T3 for Zeolite Code EMT.at n=47A008088
- Powers of fifth root of 18 rounded down.at n=14A018165
- Primes that remain prime through 2 iterations of the function f(x) = 2x + 5.at n=43A023243
- Primes that remain prime through 2 iterations of function f(x) = 8x + 3.at n=31A023261
- Primes that remain prime through 2 iterations of function f(x) = 9x + 4.at n=41A023266
- Primes that remain prime through 3 iterations of function f(x) = 2x + 5.at n=19A023274
- Primes that remain prime through 3 iterations of function f(x) = 8x + 3.at n=3A023292
- Numbers with exactly 7 1's in their ternary expansion.at n=5A023698
- Coordination sequence T4 for Zeolite Code MWW.at n=39A024989
- Coordination sequence T1 for Zeolite Code CGS.at n=42A027365
- 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 57.at n=3A031555
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 52 ones.at n=0A031820
- Upper prime of a difference of 12 between consecutive primes.at n=32A031931
- Numbers whose set of base-9 digits is {3,4}.at n=27A032833
- Number of partitions of n into parts not of form 4k+2, 24k, 24k+1 or 24k-1. Also number of partitions in which no odd part is repeated, with no part of size less than or equal to 2 and where differences between parts at distance 5 are greater than 1 when the smallest part is odd and greater than 2 when the smallest part is even.at n=51A036029
- Coordination sequence T2 for Zeolite Code ESV.at n=38A038410
- Sums of 7 distinct powers of 3.at n=5A038469