Properties of the Number -161641

One Hundred Sixty-One Thousand Six Hundred Forty-One

Basics

Value: -161642 → -161641 → -161640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 161641

Divisors: 1, 161641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100111011101101001

Octal: -473551

Duodecimal: -79661

Hexadecimal: -27769

Square: 26127812881

Square Root: 402.04601726668056

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 p of the form 10k+1 for which the polynomial x⁵-x⁴-x³-x²-x-1 modulo p is factorizable into five binomials. A135843

Primes appearing in partial sums of A030433 (primes ending in 9). A129081

Primes of the form 20·k² + 36·k + 17. A154419

Primes of the form kk·k+k+1, where kk is the concatenation of k with itself. A222962

Numbers obtained by concatenating the squares of the digits of Fibonacci(n). A244558