Properties of the Number -123983

One Hundred Twenty-Three Thousand Nine Hundred Eighty-Three

Basics

Value: -123984 → -123983 → -123982

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 123983

Divisors: 1, 123983

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110010001001111

Octal: -362117

Duodecimal: -5B8BB

Hexadecimal: -1e44f

Square: 15371784289

Square Root: 352.11219802784456

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

The first of three consecutive primes the sum of which is equal to the sum of three consecutive heptagonal numbers. A298302

a(n) = ∑_k=0..n binomial(2^k + n-k-1, n-k); equals the row sums of triangle A137153. A137154

Expansion of 1/(x^k*(1-x-2·x^k+1)) for k=6. A143449