Properties of the Number -221223

Two Hundred Twenty-One Thousand Two Hundred Twenty-Three

Basics

Value: -221224 → -221223 → -221222

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 37 × 1993

Divisors: 1, 3, 37, 111, 1993, 5979, 73741, 221223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110000000100111

Octal: -660047

Duodecimal: -A8033

Hexadecimal: -36027

Square: 48939615729

Square Root: 470.34349150381576

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

Numbers k such that φ(6k) is either φ(6k-2) or φ(6k+2), where φ is Euler's totient function A000010. A279011

Numbers k such that φ(6k) = φ(6k+2), where φ is Euler's totient function A000010. A279184

Lucky numbers that are concatenations of n with n + 2. A32652