Properties of the Number -2150

One Hundred Fifty

Basics

Value: -2151 → -2150 → -2149

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ² × 43

Divisors: 1, 2, 5, 10, 25, 43, 50, 86, 215, 430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100001100110

Octal: -4146

Duodecimal: -12B2

Hexadecimal: -866

Square: 4622500

Square Root: 46.36809247747852

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

Expansion of ψ(q) * ψ(q²) * ψ(q⁶) / ψ(q³)³ in powers of q where ψ() is a Ramanujan θ function. A213265

Expansion of c(q⁴) / c(q) in powers of q where c() is a cubic AGM θ function. A123649

Expansion of q * (ψ(q) / ψ(q²)) / (ψ(q³) / ψ(q⁶))³ in powers of q where ψ() is a Ramanujan θ function. A187153

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384897. A384902

a(n) = -(1/2)*(n+2)*(n² - 6·n - 1). A28494

a(n) = n*(n+7). A28563

Numbers m such that there are precisely 10 groups of order m. A249553

a(n) = ∑_k=0..n C(n-k, floor(k/2)). A97333

Partial sums of the squarefree numbers, A005117. A173143

Positions of occurrences of the natural numbers as third subsequence in A100035. A100038