Properties of the Number 2079

Two Thousand Seventy-Nine

Basics

Value: 2078 → 2079 → 2080

Parity: odd

Prime: No

Previous Prime: 2069

Next Prime: 2081

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 11

Divisors: 1, 3, 7, 9, 11, 21, 27, 33, 63, 77

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000011111

Octal: 4037

Duodecimal: 1253

Hexadecimal: 81f

Square: 4322241

Square Root: 45.59605246071199

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of Look-and-Say partitions of n; see Comments. A239455

Number of partitions of n into squarefree parts. A73576

Triangle read by rows: T(k,s) = ((2·k+1)/(2·s+1))*binomial(k+s,2·s), 0 <= s <= k. A111125

5-dimensional pyramidal numbers: a(n) = n*(n+1)*(n+2)*(n+3)*(2n+3)/5!. A5585

a(n) = n*(2·n-3). A14107

Number of integer partitions of n without any three parts (a,b,c) (repeats allowed) satisfying a + b = c. A variation of sum-free partitions. A364345

9 times the triangular numbers A000217. A27468

Triangle read by rows: row n is the first row of the matrix M[n]^n-1, where M[n] is the n X n tridiagonal matrix with main diagonal (1,4,4,...) and super- and subdiagonals (1,1,1,...). A124576

Smaller of two consecutive numbers each divisible by a cube greater than one. A68140

E.g.f.: exp(x)/(1+LambertW(x)). A69856