Properties of the Number 19792

Nineteen Thousand Seven Hundred Ninety-Two

Basics

Value: 19791 → 19792 → 19793

Parity: even

Prime: No

Previous Prime: 19777

Next Prime: 19793

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 1237

Divisors: 1, 2, 4, 8, 16, 1237, 2474, 4948, 9896, 19792

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110101010000

Octal: 46520

Duodecimal: B554

Hexadecimal: 4d50

Square: 391723264

Square Root: 140.6840431605518

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

Cubes written backwards. A4165

Sophie Germain 5-almost primes. A211162

Expansion of ∏_k>=1 ((1 + x^k) * (1 + 3·x^k)). A266822

Number n such that the whole sequence of the first n terms of A293700 is a palindrome. A294923

a(n) = floor(binomial(n,5)/6). A11843

Triangle read by rows: T(n,k) is the number of ordered trees with n edges having k even-length branches starting at the root (0<=k<=n). A127541

a(n) = 1 if a(n-1) is prime, else a(n) = a(n-2)+a(n-3); starting with a(0) = 0, a(1) = a(2) = 1. A142884

Number of n X n symmetric binary matrices with each 1 adjacent to no more than 2 E, S or NW neighboring 1s. A191713

Expansion of ∏_k=1..24 theta₃(q^k), where theta₃() is the Jacobi θ function. A320248

Smallest integer >= 0 of the form x⁴ - n³. A70928