Properties of the Number 16824

Sixteen Thousand Eight Hundred Twenty-Four

Basics

Value: 16823 → 16824 → 16825

Parity: even

Prime: No

Previous Prime: 16823

Next Prime: 16829

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 701

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 701, 1402

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100000110111000

Octal: 40670

Duodecimal: 98A0

Hexadecimal: 41b8

Square: 283046976

Square Root: 129.7073629367277

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 labeled graphs without isolated vertices and with n edges. A121251

Numbers divisible by at least four of their digits, different and >1. A187238

Array read by antidiagonals: A(n,k) is the number of binary matrices with k distinct columns and any number of nonzero rows with n ones in every column and columns in decreasing lexicographic order. A331277

a(n) = floor(binomial(n,6)/6). A11852

Expansion of ∏_k>=0 1/(1-x^4·k+1)⁴. A261636

Numbers k such that 8·10^k + 7·R_k - 6 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103089

Triangle of coefficients of numerators of powers of e² in ∑_k>=1 {1 / (1 + (k+1/2)²*π²)ⁿ} + {4ⁿ / (4+π²)ⁿ}. A85471

a(n) = (4·n + 1)¹². A16824

Number of nX4 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A298083