Properties of the Number 42765

Forty-Two Thousand Seven Hundred Sixty-Five

Basics

Value: 42764 → 42765 → 42766

Parity: odd

Prime: No

Previous Prime: 42751

Next Prime: 42767

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 2851

Divisors: 1, 3, 5, 15, 2851, 8553, 14255, 42765

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011100001101

Octal: 123415

Duodecimal: 208B9

Hexadecimal: a70d

Square: 1828845225

Square Root: 206.79700191250356

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

Convolution of (F(2), F(3), F(4), ...) and A001950. A23654

Number of n-length words w over a 5-ary alphabet such that w is empty or a prefix z concatenated with letter a_i and i=1 or 0 < #(z,a_i-1) >= #(z,a_i), where #(z,a_i) counts the occurrences of the i-th letter in z. A240611

Irregular array read by rows in which row floor(k/3)+1, where gcd(k,6)=1, lists the smallest elements, in ascending order, of conjecturally all primitive cycles of positive integers under iteration by the 3x+k function. A226607

Denominators of continued fraction convergents to sqrt(913). A42765