Properties of the Number 3698

Three Thousand Six Hundred Ninety-Eight

Basics

Value: 3697 → 3698 → 3699

Parity: even

Prime: No

Previous Prime: 3697

Next Prime: 3701

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 43 ²

Divisors: 1, 2, 43, 86, 1849, 3698

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111001110010

Octal: 7162

Duodecimal: 2182

Hexadecimal: e72

Square: 13675204

Square Root: 60.81118318204309

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

a(n) = 2·n². A1105

a(n) = 2·prime(n)². A79704

a(n) = A005940(1+(1+(3·A156552(n)))) = (1/2) * A005940(1+(3·A156552(2·n))). A329603

Numbers m with the property that the symmetric representation of σ(m) has three parts of width one. A247687

Maximum number of regions into which the plane can be divided using n (concave) quadrilaterals. A77591

Numbers n with the property that the number of parts in the symmetric representation of σ(n) is odd, and that all parts have width 1. A241010

Unitary untouchable numbers: us(x) = n has no solution where us(x) (A063919) is the sum of the proper unitary divisors of x. A63948

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1. A264676

Numbers with ordered prime signature (1,2). A95990

2·p², for p an odd prime. A143928