Properties of the Number 16439

Sixteen Thousand Four Hundred Thirty-Nine

Basics

Value: 16438 → 16439 → 16440

Parity: odd

Prime: No

Previous Prime: 16433

Next Prime: 16447

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 17 × 967

Divisors: 1, 17, 967, 16439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100000000110111

Octal: 40067

Duodecimal: 961B

Hexadecimal: 4037

Square: 270240721

Square Root: 128.21466374795045

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 A(n,k) of partitions of n with k sorts of part 1; square array A(n,k), n>=0, k>=0, read by antidiagonals. A292741

In base 8: a(n) sets a new record for the number of Reverse and Add! steps needed to reach a palindrome starting with a(n). A306599

Numbers k such that sum of first k primorials (A143293) is divisible by k. A225727

a(n) = T(n,n) + T(n,n+1) + ... + T(n,2n), T given by A027113. A27129

Indices of primes in sequence defined by A(0) = 43, A(n) = 10·A(n-1) + 23 for n > 0. A101726

Positions where number of periodic partitions increases. A59994

Numbers k such that 3·10^k + 77 is prime. A293826

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. A298093

Coordination sequence T7 for Zeolite Code TER. A16439

Number of length 3+5 0..n arrays with no consecutive six elements summing to more than 3·n. A242147