Properties of the Number -22177

Twenty-Two Thousand One Hundred Seventy-Seven

Basics

Value: -22178 → -22177 → -22176

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 67 × 331

Divisors: 1, 67, 331, 22177

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011010100001

Octal: -53241

Duodecimal: -10A01

Hexadecimal: -56a1

Square: 491819329

Square Root: 148.91944130972288

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

Crystal ball sequence for hexagonal close-packing. A7202

Let A(n) = #{(i,j): i² + j² <= n}, V(n) = π*n, P(n) = A(n) - V(n); sequence gives values of n where |P(n)| sets a new record. A99

Numbers m such that k = m·23² divides 3^k-1 - 2^k-1. A130058

Nonprimes k such that k divides 3^k-1 - 2^k-1. A73631

Records in A007535. A98654

Coefficients in the power series expansion of A(x) = ∑_n=-oo..+oo n*(n+1)*(n+2)/6·x^3·n * (1 - xⁿ)^n-2. A357156

Strong pseudoprimes to base 13. A20239

Sum of first n 6-almost primes. A86052

Numbers n such that gcd(φ(n), n-1) > λ(n). A283656

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 100 ones. A31868