Properties of the Number 16466

Sixteen Thousand Four Hundred Sixty-Six

Basics

Value: 16465 → 16466 → 16467

Parity: even

Prime: No

Previous Prime: 16453

Next Prime: 16477

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 8233

Divisors: 1, 2, 8233, 16466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100000001010010

Octal: 40122

Duodecimal: 9642

Hexadecimal: 4052

Square: 271129156

Square Root: 128.3199127181748

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

Sum of the largest parts in the partitions of n into 7 squarefree parts. A308960

The 300-degree spoke (or ray) of a hexagonal spiral of Ulam. A244804

Number of compositions of n with difference -1 between the number of odd parts and the number of even parts, both counted without multiplicity. A242840

a(0) = 1, a(n) = 21·n² + 2 for n>0. A10011

Numbers k that divide ∑_i=1..k φ(i)², where φ(i) = totient function A000010. A144857

Semiprimes that are the sum of 10 consecutive primes. A185347

Number of nX1 0..1 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223220

Numbers whose base-4 representation contains exactly four 0's and three 1's. A45036

a(n) = (1/n)*∑_k=1..n k·2^gcd(n,k). A102688

Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 2,2 3,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155260