1026
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 9
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 2400
- Proper Divisor Sum (Aliquot Sum)
- 1374
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 324
- Möbius Function
- 0
- Radical
- 114
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 3
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
- 36
- 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
- Related to zeros of Bessel function.at n=2A000331
- Number of n-node trees with a forbidden limb of length 4.at n=13A002990
- Numbers that are the sum of 3 positive 5th powers.at n=10A003348
- Numbers that are the sum of 10 positive 7th powers.at n=8A003377
- Numbers that are the sum of 6 nonzero 8th powers.at n=4A003384
- Numbers that are the sum of 4 positive 9th powers.at n=2A003393
- Infinitary sociable numbers (smallest member of cycle).at n=0A004607
- Numbers that are the sum of 3 nonzero 10th powers.at n=1A004803
- Numbers that are the sum of at most 3 positive 5th powers.at n=22A004843
- Numbers that are the sum of at most 4 positive 5th powers.at n=37A004844
- Numbers that are the sum of at most 6 nonzero 8th powers.at n=24A004879
- Numbers that are the sum of at most 7 nonzero 8th powers.at n=28A004880
- Numbers that are the sum of at most 8 nonzero 8th powers.at n=32A004881
- Numbers that are the sum of at most 9 nonzero 8th powers.at n=36A004882
- Numbers that are the sum of at most 10 nonzero 8th powers.at n=40A004883
- Numbers that are the sum of at most 11 nonzero 8th powers.at n=44A004884
- Numbers that are the sum of at most 4 positive 9th powers.at n=11A004888
- Numbers that are the sum of at most 5 positive 9th powers.at n=13A004889
- Numbers that are the sum of at most 6 positive 9th powers.at n=15A004890
- Numbers that are the sum of at most 7 positive 9th powers.at n=17A004891