Properties of the Number 39661

Thirty-Nine Thousand Six Hundred Sixty-One

Basics

Value: 39660 → 39661 → 39662

Parity: odd

Prime: No

Previous Prime: 39659

Next Prime: 39667

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 17 × 2333

Divisors: 1, 17, 2333, 39661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001101011101101

Octal: 115355

Duodecimal: 1AB51

Hexadecimal: 9aed

Square: 1572994921

Square Root: 199.15069670980316

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254553

Number of n X 3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4. A240790

Number of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254547

Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254555

Decimal expansion of exp(π). A39661