Properties of the Number -49141

Forty-Nine Thousand One Hundred Forty-One

Basics

Value: -49142 → -49141 → -49140

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 157 × 313

Divisors: 1, 157, 313, 49141

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011111111110101

Octal: -137765

Duodecimal: -24531

Hexadecimal: -bff5

Square: 2414837881

Square Root: 221.6776939613005

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

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

Super-Poulet numbers: Poulet numbers whose divisors d all satisfy d∣2^d-2. A50217

Euler pseudoprimes to base 3: composite integers such that abs(3^{(n - 1}/2)) == 1 mod n. A262051

Composite numbers k coprime to 13 such that k divides A006190(k-Kronecker(13,k)). A327653

Base-3 Euler-Jacobi pseudoprimes. A48950

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