Properties of the Number 20418

Twenty Thousand Four Hundred Eighteen

Basics

Value: 20417 → 20418 → 20419

Parity: even

Prime: No

Previous Prime: 20411

Next Prime: 20431

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 41 × 83

Divisors: 1, 2, 3, 6, 41, 82, 83, 123, 166, 246

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100111111000010

Octal: 47702

Duodecimal: B996

Hexadecimal: 4fc2

Square: 416894724

Square Root: 142.8915672809281

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

The second left hand column of triangle A167552. A167554

Number of partitions of n such that the multiplicity of the least part is a part. A240493

Number of partitions p of n such that floor(mean(p)) and ceiling(mean(p)) are parts of p. A241340

Numbers equal to the sum of three oblong numbers in arithmetic progression. A292314

Number of partitions of n whose least part is a multiple of 3. A363094

Number of maximum sized subsets of {1..n} such that every pair of distinct elements has a different difference. A382395

Consecutive states of the linear congruential pseudo-random number generator 254·s mod (2¹⁶+1) when started at s=1. A384934

a(n) = ∑_j=1..n ∑_i=1..n (j mod i). A367379

Numbers k such that the continued fraction for sqrt(k) has period 79. A20418