Properties of the Number -16999

Sixteen Thousand Nine Hundred Ninety-Nine

Basics

Value: -17000 → -16999 → -16998

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 89 × 191

Divisors: 1, 89, 191, 16999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001001100111

Octal: -41147

Duodecimal: -9A07

Hexadecimal: -4267

Square: 288966001

Square Root: 130.3802132227126

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 partially ordered sets ("posets") with n unlabeled elements. A112

Composite numbers whose divisors (except 1) all contain the digit 9. A62680

Number of integer partitions of n containing all divisors of all parts. A371178

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock. A235981

Least number k such that A070635(k) = n. A138791

"Canada perfect numbers": n such that the sum of digits² of n equals the sum of d∣n, 1<d<n. A70308

Numbers k such that sum of squares of digits of k equals the sum of prime divisors of k. A217390

a(n) gives the odd leg of the second of the two Pythagorean triangles with hypotenuse A080109(n) = A002144(n)². This is the larger of the two possible odd legs. A253804

Triangle T(n,k) read by rows of partially ordered sets ("posets") with n unlabeled nodes and k maximal elements (0 <= k <= n). A65066

Numbers for which the root mean square of nontrivial divisors is an integer and which are not a square of prime numbers. A247137