Properties of the Number -104653

One Hundred Four Thousand Six Hundred Fifty-Three

Basics

Value: -104654 → -104653 → -104652

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 229 × 457

Divisors: 1, 229, 457, 104653

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001100011001101

Octal: -314315

Duodecimal: -50691

Hexadecimal: -198cd

Square: 10952250409

Square Root: 323.5011591942137

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 2. A1262

Overpseudoprimes to base 2: composite k such that k = A137576((k-1)/2). A141232

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

Composite numbers k congruent to 5 (mod 8) such that 2^(k-1/2) mod k = k-1. A244626

Euler-Jacobi pseudoprimes: 2^(n-1/2) == (2 / n) mod n, where (2 / n) is a Jacobi symbol. A47713

Triangular numbers which are the product of two primes. A68443

Pseudoprimes to both base 2 and base 3, i.e., intersection of A001567 and A005935. A52155

Fermat pseudoprimes to base 2 with two prime factors. A214305

Strong pseudoprimes to base 4. A20230

a(n) is the smallest n-digit strong pseudoprime (in base 2). A62568