788
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 1386
- Proper Divisor Sum (Aliquot Sum)
- 598
- 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
- 392
- Möbius Function
- 0
- Radical
- 394
- Omega Function (Ω)
- 3
- 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
- 28
- Smith 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
Names
- German
- siebenhundertachtundachtzig· ordinal: siebenhundertachtundachtzigste
- English
- seven hundred eighty-eight· ordinal: seven hundred eighty-eighth
- Spanish
- setecientos ochenta y ocho· ordinal: 788º
- French
- sept cent quatre-vingt-huit· ordinal: sept cent quatre-vingt-huitième
- Italian
- settecentoottantotto· ordinal: 788º
- Latin
- septingenti octoginta octo· ordinal: 788.
- Portuguese
- setecentos e oitenta e oito· ordinal: 788º
Appears in sequences
- a(n) is the solution to the postage stamp problem with n denominations and 3 stamps.at n=19A001213
- A Fielder sequence.at n=9A001649
- Primes multiplied by 4.at n=44A001749
- Numbers k such that phi(2k-1) < phi(2k), where phi is Euler's totient function A000010.at n=9A001836
- Smallest number requiring n chisel strokes for its representation in Roman numerals.at n=19A002964
- Numbers that are the sum of 4 nonzero 4th powers.at n=39A003338
- Number of n-step self-avoiding walks on a Manhattan lattice.at n=11A006744
- Discriminants of totally real cubic fields.at n=20A006832
- Positive even numbers that are not the sum of a pair of twin primes.at n=13A007534
- Coordination sequence T7 for Zeolite Code MFI.at n=18A008170
- Coordination sequence T3 for Zeolite Code NON.at n=17A008214
- Coordination sequence T1 for Cordierite.at n=17A008251
- Expansion of tan(log(1+x)^2).at n=6A009655
- Coordination sequence T3 for Zeolite Code -ROG.at n=21A009861
- Coordination sequence T2 for Zeolite Code VSV.at n=18A009915
- Duplicate of A009655.at n=6A012268
- a(n) = Sum_{0<=k<=n} ceiling(k^2/n).at n=46A014785
- Number of 7's in all the partitions of n into distinct parts.at n=46A015742
- Number of partitions of n into distinct parts, none being 7.at n=40A015754
- Phi(n) + 6 | sigma(n + 6).at n=39A015785