Properties of the Number 40662

Forty Thousand Six Hundred Sixty-Two

Basics

Value: 40661 → 40662 → 40663

Parity: even

Prime: No

Previous Prime: 40639

Next Prime: 40693

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 251

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111011010110

Octal: 117326

Duodecimal: 1B646

Hexadecimal: 9ed6

Square: 1653398244

Square Root: 201.6482085216727

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

Starts of runs of 3 consecutive tribonacci-Niven numbers (A352089). A352091

Numbers k such that σ(k - 2) = σ(k + 2). A223091

Least integer k>1 such that sqrt(k)/log(k) exceeds n. A262058

Triples of practical numbers: numbers n such that n-2, n, n+2 are all practical numbers. A287682

σ(n) + φ(n) is a fourth power. A114068

Continued fraction for sqrt(689). A40662