Properties of the Number 3900

Three Thousand Nine Hundred

Basics

Value: 3899 → 3900 → 3901

Parity: even

Prime: No

Previous Prime: 3889

Next Prime: 3907

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 ² × 13

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111100111100

Octal: 7474

Duodecimal: 2310

Hexadecimal: f3c

Square: 15210000

Square Root: 62.44997998398398

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

Numbers whose unsorted prime signature is not unimodal. A332282

5 times triangular numbers: a(n) = 5·n*(n+1)/2. A28895

12 times triangular numbers. A49598

Numbers k such that k² divides 7^k-1. A127107

Ordered areas of primitive Pythagorean triangles. A24406

a(n) = floor(n*(n-1)*(n-2)/4). A11886

Areas of right triangles with coprime integer sides. A24365

Heinz numbers of integer partitions with as many even parts as even conjugate parts and as many odd parts as odd conjugate parts. A350949

a(n) = n*(n+1)*(2·n+1). A55112

Numbers m that raised to the powers from 1 to k (with k>=1) are multiples of the sum of their digits (m raised to k+1 must not be a multiple). Case k=17. A135202