ℕ atory
Play Now

Properties of the Number -99960

Ninety-Nine Thousand Nine Hundred Sixty

Basics

Value: -99961 → -99960 → -99959

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 5 × 7 2 × 17

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11000011001111000

Octal: -303170

Duodecimal: -49A20

Hexadecimal: -18678

Square: 9992001600

Square Root: 316.164514137814

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

a(n) = binomial(10·n+2,n)/(5·n+1). A234525
Number of polygons formed outside a regular n-gon when every pair of vertices of the n-gon are joined by an infinite line. A344311
Unsigned member s=2 of a family of generalizations of the (signed) Lah triangle A008297. All numbers divided by 2. A136657
Number of intersection points outside the n-gon of all lines through pairs of vertices of a regular n-gon. A146213
Triangle read by rows: T(n,k) = binomial(n+1,k+1)*binomial(2·n-k+1,k)/(n+1), 0<=k<=n. A391045
Numbers with prime factorization p·q*r·s2*t3 (where p, q, r, s, t are distinct primes). A190111
Expansion of 1 / ((1 - x)7*(1 + x)4). A299336
Structured great rhombicubeoctahedral numbers. A100146
a(n) = binomial(n,4) - binomial(floor(n/2),4) - binomial(ceiling(n/2),4). A111385
Numbers k such that k and k2 use only the digits 0, 1, 2, 6 and 9. A136830