Properties of the Number 20600

Twenty Thousand Six Hundred

Basics

Value: 20599 → 20600 → 20601

Parity: even

Prime: No

Previous Prime: 20599

Next Prime: 20611

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 ² × 103

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101000001111000

Octal: 50170

Duodecimal: BB08

Hexadecimal: 5078

Square: 424360000

Square Root: 143.52700094407325

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

Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1 <= k <= m positions can be picked in an m X m square grid such that the picked positions have a line symmetry. A291718

Triangle read by rows: T(n,k) is the maximum number of ways in which a set of integer-sided rectangular pieces can tile an n X k rectangle, up to rotations and reflections. A361221

a(n) is the number of unlabeled connected graphs without endpoints with n edges. A342556

Scaled convolution of (n³)*A000984(n) with A000984(n). A142962

The difference between the two largest distinct parts of a partition (0 if no distinct parts), summed over all partitions of n. A268191

Number of n-length words over an 8-ary alphabet {a₁,a₂,...,a₈} avoiding consecutive letters a_i, a_i+1. A277671

Numbers k such that sopfr(k) = sopf(k+1), where sopf(k) = A008472(k) and sopfr(k) = A001414(k). A64675

Numbers k such that k and k² use only the digits 0, 2, 3, 4 and 6. A136883

Not appropriate for the OEIS. A248690

a(n) = number of times n occurs in A155043. A262507