Properties of the Number -3581

Five Hundred Eighty-One

Basics

Value: -3582 → -3581 → -3580

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 3581

Divisors: 1, 3581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111111101

Octal: -6775

Duodecimal: -20A5

Hexadecimal: -dfd

Square: 12823561

Square Root: 59.841457201508724

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

Row sums of A291955. A291956

Table 1 on page 46 in the Witten reference. A122505

Least k such that the decimal representation of k·n contains only 1's and 0's. A79339

Number of integer partitions of n such that for some part k the multiplicity of k exceeds k. A387578

Number of relatively prime or monic partitions of n. A300486

Primes sandwiched between two numbers having same number of divisors. A67889

Numbers n such that the decimal expansions of both n and n² have 1 as smallest digit and 8 as largest digit. A257211

Number of non-quanimous strict integer partitions of n, meaning no set partition with more than one block has all equal block-sums. A371736

Least prime in A001359 (lesser of twin primes) such that the distance (A053319) to the next twin is 6·n. A52350

Primes p such that 3·p-4, 3·p-10, and 3·p-14 are all prime. A230223