Properties of the Number -670033

Six Hundred Seventy Thousand Thirty-Three

Basics

Value: -670034 → -670033 → -670032

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 13 × 37 × 199

Divisors: 1, 7, 13, 37, 91, 199, 259, 481, 1393, 2587

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

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Representations

Binary: -10100011100101010001

Octal: -2434521

Duodecimal: -283901

Hexadecimal: -a3951

Square: 448944221089

Square Root: 818.5554348973562

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

Pseudoprimes to bases 2, 3 and 5. A83737

Absolute Euler pseudoprimes: odd composite numbers n such that a^(n-1/2) == +-1 (mod n) for every a coprime to n. A33181

Carmichael numbers with exactly 4 prime factors. A74379

Composite numbers n with the property that φ(n) divides (n-1)². A173703

Odd numbers k > 1 such that gcd(5,k) = 1 and 5^(k-1/2) == -(5/k) (mod k), where (5/k) is the Jacobi symbol (or Kronecker symbol); Euler pseudoprimes to base 5 (A262052) that are not Euler-Jacobi pseudoprimes to base 5 (A375914). A375816

Kaprekar numbers: numbers k such that k = q + r and k² = q·10^m + r, for some m >= 1, q >= 0 and 0 <= r < 10^m. Here q and r must both have the same number of digits. A45913

Carmichael numbers with more than 3 prime factors. A141711

The full list of 6-Kaprekar numbers. A53397

Carmichael numbers ending in 3. A355309

Carmichael numbers m such that A309132(m) < m. A309268