Properties of the Number 3860

Three Thousand Eight Hundred Sixty

Basics

Value: 3859 → 3860 → 3861

Parity: even

Prime: No

Previous Prime: 3853

Next Prime: 3863

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 193

Divisors: 1, 2, 4, 5, 10, 20, 193, 386, 772, 965

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111100010100

Octal: 7424

Duodecimal: 2298

Hexadecimal: f14

Square: 14899600

Square Root: 62.12889826803627

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

Integers k such that 10^k - 29 is a prime number. A108330

Numbers k such that k³ divides 3^k² - 1. A129211

Numbers k such that k and k+1 are both base φ Niven numbers (A334308). A334309

Numbers k such that k³ divides 9^k² - 1. A177909

T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally. A188851

Partial sums of products of two distinct primes (A006881). A168472

Alternately strict partitions. Number of even-length integer partitions y of n such that y_i > y_i+1 for all odd i. A351008

a(n) = A014486(A122234(n)). A122235

Positions of 16 after decimal point in decimal expansion of π. A134216

Number of 1 X (n+1) 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope. A222970