Properties of the Number 46665

Forty-Six Thousand Six Hundred Sixty-Five

Basics

Value: 46664 → 46665 → 46666

Parity: odd

Prime: No

Previous Prime: 46663

Next Prime: 46679

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 17 × 61

Divisors: 1, 3, 5, 9, 15, 17, 45, 51, 61, 85

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011011001001001

Octal: 133111

Duodecimal: 23009

Hexadecimal: b649

Square: 2177622225

Square Root: 216.0208323287363

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) = n⁴ - (n-1)⁴ + (n-2)⁴ - ... 0⁴. A62392

Doubly hexagonal numbers. A63249

a(n) = ∑_d∣n d^{d - n/d} * binomial(d, n/d). A338693

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

Triangular numbers whose external digits as well as internal digits form triangular numbers. A77368

Number of rooted highly irregular trees with n nodes. A259863

a(n) = 81·n² + 9. A157888

Odd numbers that are not of the form p + 2^a + 2^b with b > a > 0, and p prime. A268693

Numbers k such that k² is an odd primitive abundant number (A006038). A379950

Numbers k such that k² is abundant but d·k is nonabundant for any proper divisor d of k. A381742