Properties of the Number 99717

Ninety-Nine Thousand Seven Hundred Seventeen

Basics

Value: 99716 → 99717 → 99718

Parity: odd

Prime: No

Previous Prime: 99713

Next Prime: 99719

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 43 × 773

Divisors: 1, 3, 43, 129, 773, 2319, 33239, 99717

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010110000101

Octal: 302605

Duodecimal: 49859

Hexadecimal: 18585

Square: 9943480089

Square Root: 315.7799866996007

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 which are both lucky and pentagonal. A128511

Irregular triangle read by rows: T(n,k) = number of ways k brooks (0 <= k <= 2n+1) can be placed on the grid points of an n triboard so that no two brooks lie in the same straight line. A260333

Pentagonal numbers with only odd digits. A117985

Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300943

Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300938

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300944

Consider the family of multigraphs enriched by the species of trees. Sequence gives number of those multigraphs with n loops and edges. A99717