Properties of the Number 3581

Three Thousand Five Hundred Eighty-One

Basics

Value: 3580 → 3581 → 3582

Parity: odd

Prime: Yes

Previous Prime: 3571

Next Prime: 3583

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

Today's Target

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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

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

Poincaré series for invariant polynomial functions on the space of binary forms of degree 15. A293940

Poincaré series for invariant polynomial functions on the space of binary forms of degree 16. A293941