Properties of the Number 39629

Thirty-Nine Thousand Six Hundred Twenty-Nine

Basics

Value: 39628 → 39629 → 39630

Parity: odd

Prime: No

Previous Prime: 39623

Next Prime: 39631

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 23 × 1723

Divisors: 1, 23, 1723, 39629

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001101011001101

Octal: 115315

Duodecimal: 1AB25

Hexadecimal: 9acd

Square: 1570457641

Square Root: 199.0703393275854

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

a(n) = (a(n-1) * a(n-5) + a(n-2) * a(n-3) * a(n-4)) / a(n-6), with a(0) = a(1) = a(2) = a(3) = a(4) = a(5) = 1. A276531

a(n) = L(n+1) + c(n) where L(k) = k-th Lucas number and c(n) is n-th number that is 1 or not a Lucas number. A22802

Numbers k such that 5·10^k + 9 is prime. A103004

Least number k having n representations as the sum of the minimal number of biquadrates A002377(k). A185673

Sum of n-th Lucas number greater than 3 and n-th number that is 1 or is not a Fibonacci number. A23489

a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 3) and d(n) = (n-th non-Lucas number). A23495

Center antidiagonal four in a tri-antidiagonal n-th Matrix generated triangular sequence: first element as 4==m[1,1,1]. A124028

Mono-3-catahelicenes. A39629