Properties of the Number 42709

Forty-Two Thousand Seven Hundred Nine

Basics

Value: 42708 → 42709 → 42710

Parity: odd

Prime: Yes

Previous Prime: 42703

Next Prime: 42719

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 42709

Divisors: 1, 42709

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011011010101

Octal: 123325

Duodecimal: 20871

Hexadecimal: a6d5

Square: 1824058681

Square Root: 206.66155907667007

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

The number of distinct positions on an infinite chessboard reachable by the (2,3)-leaper (or zebra) in at most n moves. A297740

Primes p such that, if q is the next prime, p + q² is a prime times a power of 10. A352837

For n >= 2, let b(n) = 1 if A379899(n) is 3 mod 4, 0 if A379899(n) is 1 mod 4; form the RUNS transform of {b(n), n >= 2}. A379783

Index of first occurrence of n in A324920. A324921

Primes p such that p⁸ - 1 has 384 divisors. A342064

Primes whose 10's complement is a triangular number. A82992

a(n) = Lucas(4·n). A56854

Denominators of continued fraction convergents to sqrt(884). A42709