Properties of the Number -1650

Six Hundred Fifty

Basics

Value: -1651 → -1650 → -1649

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 11

Divisors: 1, 2, 3, 5, 6, 10, 11, 15, 22, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001110010

Octal: -3162

Duodecimal: -B56

Hexadecimal: -672

Square: 2722500

Square Root: 40.620192023179804

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

Generalized Stirling number triangle of first kind read by rows: T(n, k) = [x^k] ∏_m=1..n (x - m - r), with r = 5. A51338

Expansion of 1 / ∑_{k in Z} x^k / (1 - x^5·k+1). A375062

Sum at 45 degrees to horizontal in triangle of A081498. A81499

a(n) = -n² - n + 72. A110678

Coefficients of modular function denoted G₅(τ) by Atkin. A186210

Second pentagonal numbers: a(n) = n*(3·n + 1)/2. A5449

Number of partitions of n in which no part occurs just once. A7690

Nonzero coefficients of the Swiss-Knife polynomials for the computation of Euler, tangent, and Bernoulli numbers (triangle read by rows). A153641

a(n) = A276086(A276086(n)), where A276086 is the primorial base exp-function. A276087

a(n) = (prime(n)² - 1)/24. A24702