Properties of the Number 20792

Twenty Thousand Seven Hundred Ninety-Two

Basics

Value: 20791 → 20792 → 20793

Parity: even

Prime: No

Previous Prime: 20789

Next Prime: 20807

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 23 × 113

Divisors: 1, 2, 4, 8, 23, 46, 92, 113, 184, 226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101000100111000

Octal: 50470

Duodecimal: 10048

Hexadecimal: 5138

Square: 432307264

Square Root: 144.19431334140748

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 integer partitions of n whose parts have weakly decreasing numbers of prime factors (A001222). A358909

Expansion of r(q⁴) / r(q)⁴ in powers of q where r() is the Rogers-Ramanujan continued fraction. A285584

Sum of piles of first n primes: a(n) = Sum(prime(i)*(2·i-1): 1<=i<=n). A316322

n·10²-1, n·10²-3, n·10²-7 and n·10²-9 are all prime. A64976

Number of increasing mobiles (cycle rooted trees) with n generators. A108528

Even elements of A082931. A82933

Number of nX2 1..3 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order. A166776

Number of nX3 0..1 arrays with every element unequal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317261

Number of n element 1..n arrays with each element the minimum of 7 adjacent elements of a permutation of 1..n+6 of n+6 elements. A217890

Main diagonal of table A162424. A162429