Properties of the Number -142880

One Hundred Forty-Two Thousand Eight Hundred Eighty

Basics

Value: -142881 → -142880 → -142879

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 5 × 19 × 47

Divisors: 1, 2, 4, 5, 8, 10, 16, 19, 20, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

Today's Target

375 Try Today's Challenge

Representations

Binary: -100010111000100000

Octal: -427040

Duodecimal: -6A828

Hexadecimal: -22e20

Square: 20414694400

Square Root: 377.9947089576784

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

Dodecahedral numbers: a(n) = n*(3·n - 1)*(3·n - 2)/2. A6566

Binomial coefficients C(96,n). A17812

Binomial(σ(n),ω(n)), where σ(n) is the sum of divisors of n (A000203) and ω the number of distinct prime factors (A001221). A68905

Tetrahedral numbers n*(n+1)*(n+2)/6 with n, n+1 and n+2 nonprime. A152622

Binomial coefficients C(n,93). A17757

(prime(n)-5)(prime(n)-7)(prime(n)-9)/48. A30002

Binomial coefficient C(8n,n-9). A4390