Properties of the Number 42688

Forty-Two Thousand Six Hundred Eighty-Eight

Basics

Value: 42687 → 42688 → 42689

Parity: even

Prime: No

Previous Prime: 42683

Next Prime: 42689

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁶ × 23 × 29

Divisors: 1, 2, 4, 8, 16, 23, 29, 32, 46, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011011000000

Octal: 123300

Duodecimal: 20854

Hexadecimal: a6c0

Square: 1822265344

Square Root: 206.61074512231932

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

Structured hexagonal diamond numbers (vertex structure 5). A100178

Numbers k such that k - A224787(k) is a square. A386623

Numbers k such that 10·R_k + 7 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56655

a(n) is the largest number in row n of A380920. A380967

Numerators of continued fraction convergents to sqrt(874). A42688