Properties of the Number 38646

Thirty-Eight Thousand Six Hundred Forty-Six

Basics

Value: 38645 → 38646 → 38647

Parity: even

Prime: No

Previous Prime: 38639

Next Prime: 38651

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 19 × 113

Divisors: 1, 2, 3, 6, 9, 18, 19, 38, 57, 113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011011110110

Octal: 113366

Duodecimal: 1A446

Hexadecimal: 96f6

Square: 1493513316

Square Root: 196.5858591048705

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

Starting from generation 8 add previous and next term yielding generation 9. A48455

Main diagonal of A090806. A108469

Numbers representable as truncated triangular numbers A008912 in more ways than any smaller number. A322491

Numbers k such that 2^2k-1 + 2^k + 1 is prime. A108062

G.f. A(x) satisfies A(A(x))=(1-4·x-sqrt(1-8·x))/(8·x). A199822

The number of simple permutations of length n which avoid 1243 and 2431. A226430

Triangle read by rows: T(p,q) is the number of B-diagrams G such that ω(G)=p half edges and h_f(G)=q non-used outer non-cut half edges. A265199

Numbers whose base-14 representation has exactly 5 runs. A43666

The number of n-digit numbers whose last k digits are divisible by k for k = 1..n. A221532

Unicode codes for the Han digits. A61745