Properties of the Number -129226

One Hundred Twenty-Nine Thousand Two Hundred Twenty-Six

Basics

Value: -129227 → -129226 → -129225

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 64613

Divisors: 1, 2, 64613, 129226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111100011001010

Octal: -374312

Duodecimal: -6294A

Hexadecimal: -1f8ca

Square: 16699359076

Square Root: 359.4801802603309

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

The number of primes of the form i² + j⁴ (A028916) <= 2ⁿ, counted with multiplicity. A226496

Triangle T(n,k) of numbers of proper k-covers of an unlabeled n-set, k=1..2ⁿ-2. A55127

Numbers k such that k-3, k-5, k-17, k-257, and k-65537 are all primes. A63825