Properties of the Number -29857

Twenty-Nine Thousand Eight Hundred Fifty-Seven

Basics

Value: -29858 → -29857 → -29856

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 73 × 409

Divisors: 1, 73, 409, 29857

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -111010010100001

Octal: -72241

Duodecimal: -15341

Hexadecimal: -74a1

Square: 891440449

Square Root: 172.7917822120022

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

Pseudoprimes to base 7. A5938

Strong pseudoprimes to base 7. A20233

Euler pseudoprimes to base 7: composite integers such that abs(7^{(n - 1}/2)) == 1 mod n. A262054

a(n) = 2·p(n)*p(n+2) - p(n+1)² where p(k) = k-th prime. A324795

Strong pseudoprimes to base 49. A20275

Strong pseudoprimes to base 66. A20292

Quartan semiprimes: semiprimes of the form x⁴ + y⁴, x>0, y>0. A182277