Properties of the Number 42737

Forty-Two Thousand Seven Hundred Thirty-Seven

Basics

Value: 42736 → 42737 → 42738

Parity: odd

Prime: Yes

Previous Prime: 42727

Next Prime: 42743

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 42737

Divisors: 1, 42737

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011011110001

Octal: 123361

Duodecimal: 20895

Hexadecimal: a6f1

Square: 1826451169

Square Root: 206.72929158684795

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

Wagstaff numbers: numbers k such that (2^k + 1)/3 is prime. A978

Numbers k such that 2^k + 1 is a semiprime. A92559

Indices of prime Jacobsthal numbers. A107036

Numbers k such that 2^k + 1 is the product of two distinct primes. A73936

Numbers k such that 2^k + 1 has just two distinct prime factors. A66263

Primes p such that prime(p)² - 2 = prime(q) for some prime q. A261354

Primes equal to a centered heptagonal number plus 1. A285811

Number of 0..n arrays of length 3 with 0 never adjacent to n. A212836

Numbers k such that (2^k + 1)/(2 - (-1)^k) is a prime. A280083

Wagstaff numbers that are of the form 4·k + 1. A361563