Properties of the Number -226801

Two Hundred Twenty-Six Thousand Eight Hundred One

Basics

Value: -226802 → -226801 → -226800

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 337 × 673

Divisors: 1, 337, 673, 226801

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111010111110001

Octal: -672761

Duodecimal: -AB301

Hexadecimal: -375f1

Square: 51438693601

Square Root: 476.2362858917829

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

Strong pseudoprimes to base 3. A20229

Numbers of the form p·q, p and q prime with q=2·p-1. A129521

Triangular numbers which are the product of two primes. A68443

Composite numbers k such that 2^k-2 and 3^k-3 are both divisible by k and k is not a Carmichael number (A002997). A153513

Fermat pseudoprimes to base 2 that are triangular. A293622

Overpseudoprimes to base 3. A141350

Odd numbers > 1, not powers of primes, for which A326147(n) is equal to abs(A326146(n)). A326148

Numbers m such that exactly half of the a such that 0<a<m and (a,m)=1 satisfy a^m-1 == 1 (mod m). A191311

Odd non-Carmichael numbers with increasing numbers of bases to which they are pseudoprimes. A194946

Record values in A265388. A265395