Properties of the Number -212419

Two Hundred Twelve Thousand Four Hundred Nineteen

Basics

Value: -212420 → -212419 → -212418

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 212419

Divisors: 1, 212419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110011110111000011

Octal: -636703

Duodecimal: -A2B17

Hexadecimal: -33dc3

Square: 45121831561

Square Root: 460.8893576553922

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

Base-8 Armstrong or narcissistic numbers (written in base 10). A10354

Smallest number > 1 equal to sum of n-th powers of its base-8 digits, or 0 if no such number exists (written in base 10). A33840

Base 8 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-8 digits, for some k. A162231

Greatest integer equal to the sum of the n-th powers of its base-8 digits (written in base 10). A162233

Numbers that are the sum of five fourth powers in five or more ways. A344358

Numbers that are the sum of five fourth powers in exactly five ways. A344359

Primes of the form floor((p/3)³), where p is prime. A163442

Smallest sets of 3 consecutive odd numbers that are primes or pseudoprimes (base 2). The initial odd number is listed. A230808

List of Armstrong (narcissistic) numbers in base 8 that are prime (written in base 10). A180015