Properties of the Number 16419

Sixteen Thousand Four Hundred Nineteen

Basics

Value: 16418 → 16419 → 16420

Parity: odd

Prime: No

Previous Prime: 16417

Next Prime: 16421

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 421

Divisors: 1, 3, 13, 39, 421, 1263, 5473, 16419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000000100011

Octal: 40043

Duodecimal: 9603

Hexadecimal: 4023

Square: 269583561

Square Root: 128.13664581219535

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

Numbers that are the sum of 4 positive 6th powers. A3360

Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X n square under all symmetry operations of the square; irregular triangle T(n,k), n>=2, 0<=k<=floor(n/2)², read by rows. A236679

Number of ordered triples (i,j,k) with |i|,|j|,|k|,|i·j*k| <= n and gcd(i,j,k) <= 1. A226357

Number of integer partitions of n whose multiplicities appear with relatively prime multiplicities. A319160

Sum of distinct nonzero sixth powers. A194769

a(n) = 4·a(n-1)+a(n-2), n>2; a(0)=1, a(1)=3, a(2)=12. A155179

a(n) = 2·a(n-1) - a(n-2) + a(n-4), n>3, a(0)=0, a(1)=a(2)=1, a(3)=3. A286311

Rectangular array R read by descending antidiagonals: divide to each even term of the Wythoff array (A035513) by 2, and delete all others. A328695

an=n-th smallest integer m=p1·p2·p3, product of 3 odd primes such that d+2m/d are all primes for d dividing 2m. A128278

Number of compositions of n where differences between neighboring parts are in {-2,-1,1,2}. A214256