1067
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1176
- Proper Divisor Sum (Aliquot Sum)
- 109
- 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
- 960
- Möbius Function
- 1
- Radical
- 1067
- Omega Function (Ω)
- 2
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 62
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Number of integral points in a certain sequence of open quadrilaterals.at n=51A002578
- Solid partitions of n, distinct along rows.at n=9A002936
- a(1) = 3; for n>0, a(n+1) = a(n) + floor((a(n)-1)/2).at n=16A003312
- Number of walks on cubic lattice.at n=10A005570
- Positions of remoteness 5 in Beans-Don't-Talk.at n=31A005697
- Weighted count of partitions with distinct parts.at n=21A005895
- Number of strict 3rd-order maximal independent sets in cycle graph.at n=32A007392
- Generated by a sieve: keep first number, drop every 2nd, keep first, drop every 3rd, keep first, drop every 4th, etc.at n=57A007952
- Coordination sequence T9 for Zeolite Code MFI.at n=21A008172
- Number of partitions of n into parts >= 4.at n=43A008484
- Coordination sequence T5 for Zeolite Code DFO.at n=25A009879
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly three 1's.at n=18A013650
- a(n) = n*(9*n-2).at n=11A013656
- Numbers k such that sigma(k) = sigma(k+12).at n=14A015882
- Pseudoprimes to base 98.at n=16A020226
- Place where n-th 1 occurs in A023121.at n=50A022783
- a(n) = [ a(n-1)/a(1) ] + [ a(n-2)/a(2) ] + ... + [ a(1)/a(n-1) ], for n >= 3.at n=23A022870
- Positive numbers k such that k and 7*k are anagrams in base 8 (written in base 8).at n=0A023078
- Numbers with exactly 5 1's in ternary expansion.at n=33A023696
- a(1) = 2; a(n+1) = a(n)-th nonprime, where nonprimes begin at 1.at n=19A025003