Properties of the Number -212960

Two Hundred Twelve Thousand Nine Hundred Sixty

Basics

Value: -212961 → -212960 → -212959

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 5 × 11 ³

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011111111100000

Octal: -637740

Duodecimal: -A32A8

Hexadecimal: -33fe0

Square: 45351961600

Square Root: 461.47589319486667

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) = A062401(A065391(n)): φ(σ(m)) peak values for numbers m (listed in A065391) at which those peaks are first reached. A65392

Triangle whose (i,j)-th entry is binomial(i,j)*2^i-j*11^j. A38217

Triangle whose (i,j)-th entry is binomial(i,j)*4^i-j*11^j. A38241

Triangle whose (i,j)-th entry is binomial(i,j)*11^i-j*2^j. A38316

Triangle whose (i,j)-th entry is binomial(i,j)*11^i-j*4^j. A38318

Numbers k such that k² is the sum of two positive 5th powers. A291850

Numbers with prime factorization ∏_k=1..w prime(i_k) ^ e_k (where w = A001221(n) and prime(i) denotes the i-th prime number) such that i_k <> e_k for k = 1..w and { i₁, ..., i_w } = { e₁, ..., e_w }. A320252