Properties of the Number -211421

Two Hundred Eleven Thousand Four Hundred Twenty-One

Basics

Value: -211422 → -211421 → -211420

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 30203

Divisors: 1, 7, 30203, 211421

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011100111011101

Octal: -634735

Duodecimal: -A2425

Hexadecimal: -339dd

Square: 44698839241

Square Root: 459.80539361777824

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

Number of 0..n-1 integer arrays v[1..6] of length 6 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..5. A171357

Number of 0..7 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1. A171313