Properties of the Number 42436

Forty-Two Thousand Four Hundred Thirty-Six

Basics

Value: 42435 → 42436 → 42437

Parity: even

Prime: No

Previous Prime: 42433

Next Prime: 42437

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 103 ²

Divisors: 1, 2, 4, 103, 206, 412, 10609, 21218, 42436

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010010111000100

Octal: 122704

Duodecimal: 20684

Hexadecimal: a5c4

Square: 1800814096

Square Root: 206

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) = (11·n + 8)². A17486

Squares with initial digit '4'. A45787

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207752

a(n) = (6·n + 2)². A16934

Squares whose product of digits is also a nonzero square. A53059

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two. A254854

a(n) = (8·n+6)². A17138

a(n) = 4·prime(n)². A69262

Squares whose largest digit is 6. A295016

a(n) = (7·n + 3)². A17018