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Properties of the Number -143143

One Hundred Forty-Three Thousand One Hundred Forty-Three

Basics

Value: -143144 → -143143 → -143142

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 11 2 × 13 2

Divisors: 1, 7, 11, 13, 77, 91, 121, 143, 169, 847

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100010111100100111

Octal: -427447

Duodecimal: -6AA07

Hexadecimal: -22f27

Square: 20489918449

Square Root: 378.34243748223645

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

Total number of parts in all partitions of n plus the sum of largest parts in all partitions of n plus the number of partitions of n plus n. A225610
Triangle read by rows: T(n, k) = c(n, q)/(c(k, q)*c(n-k, q)), where c(n, q) = ∏j=1..n (j+q)!/(j-1)! and q = 8. A174109
a(n) = binomial(n+5,5) * binomial(n+5,4)/(n+5). A6857
Tenth column (and diagonal) of Narayana triangle A001263. A134291
a(n) = A084013(n)/n. A84014
Divide n-th row of A084024 by n. A84025
After a(1) = 1, the sequence is always extended with the smallest divisor d (not yet present in the sequence) of the last term t. If d doesn't exist, we extend the sequence with tt (t concatenated to itself). If tt doesn't produce a new d, we extend the sequence with ttt, etc. See the Comments section for more details. A348871
Numbers k such that d(k) > d(k+1) > d(k+2) > d(k+3) > d(k+4), where d(n) is the number of divisors of n. A364720
Lucky numbers that are concatenations of a number k with itself. A32650
Numbers q.r such that q·r divides q.r, when q and r have the same number of digits, "." means concatenation, and r may not begin with 0. A347541