Properties of the Number -442244

Four Hundred Forty-Two Thousand Two Hundred Forty-Four

Basics

Value: -442245 → -442244 → -442243

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: Yes

Factorization: 2 ² × 11 × 19 × 23 ²

Divisors: 1, 2, 4, 11, 19, 22, 23, 38, 44, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1101011111110000100

Octal: -1537604

Duodecimal: -193B18

Hexadecimal: -6bf84

Square: 195579755536

Square Root: 665.0142855608442

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

Self-describing numbers: reading the number gives a (possibly redundant) description of the number. A109776

a(n) = 361·n² + 19. A158592

Numbers with all digits even whose squares have all but one digit odd. A343728

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 70. A31748

Number of nX5 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A280601

Palindromes which are a concatenation of three palindromes, each of which has at least 2 digits. A368020

Numbers k such that the sum of factorials of the digits of k equals the sum of the primes from the smallest prime factor of k to the largest prime factor of k. A74256