Properties of the Number -29861

Twenty-Nine Thousand Eight Hundred Sixty-One

Basics

Value: -29862 → -29861 → -29860

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 2297

Divisors: 1, 13, 2297, 29861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -111010010100101

Octal: -72245

Duodecimal: -15345

Hexadecimal: -74a5

Square: 891679321

Square Root: 172.80335644888382

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

Strictly superdiagonal compositions: compositions (p1, p2, p3, ...) of n such that π > i. A238874

Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1. A327978

a(n) is the least integer k whose arithmetic derivative is equal to the n-th primorial, or 0 if no such k exists. A368703

Numbers k for which k is a multiple of A276086(A003415(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function. A370115

Numbers k such that A003415(k) == A276085(k) (mod 2310), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function. A391864

Number of Dyck paths with n nodes and altitude 4. A318944

a(n) = floor(11ⁿ/6ⁿ). A94989

Numbers n such that 6·p(n)-1 and 6·p(n)+1 are twin primes and 6·p(n+1)-1 and 6·p(n+1)+1 are also twin primes with p(n) = n-th prime. A126655