Properties of the Number 42260

Forty-Two Thousand Two Hundred Sixty

Basics

Value: 42259 → 42260 → 42261

Parity: even

Prime: No

Previous Prime: 42257

Next Prime: 42281

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 2113

Divisors: 1, 2, 4, 5, 10, 20, 2113, 4226, 8452, 10565

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010100010100

Octal: 122424

Duodecimal: 20558

Hexadecimal: a514

Square: 1785907600

Square Root: 205.5723716845238

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

Numbers whose squares remain squares when prepended with 2 and appended with 25 in base 10. A249968

a(n) = ∑_k=0..n binomial(n,k) * binomial(4·k,n-k). A389225

Number of length 1+3 0..n arrays with some pair in every consecutive four terms totalling exactly n. A245951

Numerators of continued fraction convergents to sqrt(656). A42260