Properties of the Number 40742

Forty Thousand Seven Hundred Forty-Two

Basics

Value: 40741 → 40742 → 40743

Parity: even

Prime: No

Previous Prime: 40739

Next Prime: 40751

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 13 × 1567

Divisors: 1, 2, 13, 26, 1567, 3134, 20371, 40742

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111100100110

Octal: 117446

Duodecimal: 1B6B2

Hexadecimal: 9f26

Square: 1659910564

Square Root: 201.84647631306325

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 k such that 15·2^k - 1 is prime. A2237

a(n) = Sum {k + j·m <= n} (k + j·m), with 0 < k,j,m <= n. A106847

Indices of primes in sequence defined by A(0) = 81, A(n) = 10·A(n-1) + 31 for n > 0. A101066

Fluctuations of the number of biquadrate integers not exceeding 10ⁿ. A375247

Continued fraction for sqrt(770). A40742