Properties of the Number -45065

Forty-Five Thousand Sixty-Five

Basics

Value: -45066 → -45065 → -45064

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 9013

Divisors: 1, 5, 9013, 45065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1011000000001001

Octal: -130011

Duodecimal: -220B5

Hexadecimal: -b009

Square: 2030854225

Square Root: 212.2851855405836

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) is the number of unlabeled rank-3 graded lattices with 4 coatoms and n atoms. A322599

Alternating square row sums of the table A072233 (A008284). A238313

Expansion of ∑_i>=1 μ(i)²*xⁱ/(1 - xⁱ) * ∏_j>=i 1/(1 - μ(j)²*x^j), where μ() is the Moebius function (A008683). A284829

a(n+1) = ∑_k=0..sqrt(n) a(k) * a(n-k). A30041

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 38. A31626

The number of 2-compositions of n of Carlitz type. A275079