Properties of the Number -83349

Eighty-Three Thousand Three Hundred Forty-Nine

Basics

Value: -83350 → -83349 → -83348

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 7 ³

Divisors: 1, 3, 7, 9, 21, 27, 49, 63, 81, 147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -10100010110010101

Octal: -242625

Duodecimal: -40299

Hexadecimal: -14595

Square: 6947055801

Square Root: 288.7022687822179

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(1) = 1, a(2) = -9; a(n) = -n³ * ∑_{d∣n, d < n} a(d) / d³. A359531

Numerator of b(n) given by b(1) = 1, b(2) = 2; for n >= 3, b(n) = (-1)ⁿ (2n-1) ((n-2)!!)²/((n-1)!!)², where n!! is the double factorial A006882. A95159

Numbers of the form 3ⁱ*7^j with i, j >= 0. A3594

Numbers whose prime factors are 3 and 7. A33850

Products of the 5th power of a prime and a distinct prime of the 3rd power (p⁵*q³). A179671

T(n,k)=Number of nXk 0..2 arrays with every repeated value in every row not one larger and in every column one larger mod 3 than the previous repeated value, and upper left element zero. A268092

T(n,k)=Rolling cube footprints: number of nXk 0..7 arrays starting with 0 where 0..7 label vertices of a cube and every array movement to a horizontal or antidiagonal neighbor moves along a corresponding cube edge. A223331

Numerators in the fractional coefficients that form the partial quotients of the continued fraction representation of the inverse tangent of 1/x. A110255

Numerators in the coefficients that form the odd-indexed partial quotients of the continued fraction representation of the inverse tangent of 1/x. A110257

a(n) = 9·n³. A244728