Properties of the Number -126541

One Hundred Twenty-Six Thousand Five Hundred Forty-One

Basics

Value: -126542 → -126541 → -126540

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 126541

Divisors: 1, 126541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11110111001001101

Octal: -367115

Duodecimal: -61291

Hexadecimal: -1ee4d

Square: 16012624681

Square Root: 355.72601816566635

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

Primes whose base-9 representation is a square in base 10. A267821

Least prime p such that 2·prime(p·n)+1 = prime(q·n) for some prime q. A260882

Primes p such that p+-2 and p+-4 are semiprimes. A266845

Primes in π (variant of A336520): a(n) is the smallest prime factor of A090897(n) that does not appear in earlier terms of a, or 1, if no such factor exists. A336519

Primes in π: a(n) is the smallest prime factor of A090897(n) that does not appear in earlier terms of A090897, or 1, if no such factor exists. A336520

Number of strings of numbers x(i=1..8) in 0..n with sum i·x(i)² equal to n·64. A184447

a(n) is the least number k whose digit sums are 2·n-1, 2·n and 2·n+1 in bases 2·n-1, 2·n and 2·n+1 respectively. A379896

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 20. A31608