Properties of the Number -121104

One Hundred Twenty-One Thousand One Hundred Four

Basics

Value: -121105 → -121104 → -121103

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 29 ²

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11101100100010000

Octal: -354420

Duodecimal: -5A100

Hexadecimal: -1d910

Square: 14666178816

Square Root: 348

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

Number of 2 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically. A207025

a(n) = (11·n + 7)². A17474

Squares whose largest decimal digit is 4. A277948

Square associated with twin primes (p,p+2): p(p+2) + 1. Square of the average of twin primes. A75369

Smallest initial values leading to fixed points listed in A077092. A77093

a(n) = x² = A090116(n)² is the least square that is "surrounded" by two closest primes, by prevprime(x²) and nextprime(x²) whose difference nextprime - prevprime = 2n. A90117

Collatz-2 (A063041) trajectory starting at 29. A63044

Numbers m such that A062401(m) = φ(σ(m)) is increasing to a record value, i.e., A062401(m) represents a new peak, so that A062401(m) > A062401(k) for all k < m. A65391

Numbers with 45 divisors. A175752

Numbers of the form p⁴*q²*r² where p, q, and r are distinct primes. A179746