Properties of the Number -162121

One Hundred Sixty-Two Thousand One Hundred Twenty-One

Basics

Value: -162122 → -162121 → -162120

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 223 × 727

Divisors: 1, 223, 727, 162121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111100101001001

Octal: -474511

Duodecimal: -799A1

Hexadecimal: -27949

Square: 26283218641

Square Root: 402.642521351136

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

Least number to start a run of exactly n nondecreasing values of (big) ω (A001222). A286288

a(n) = ∑_i=0..n digsum₈(i)⁴, where digsum₈(i) = A053829(i). A231683

Sum of factorials of digits of n equals the largest prime factor of n. A74257

a(n) is the smallest number k such that the number of prime divisors (counted with multiplicity) of the n numbers from k through k+n-1 are in nondescending order. A364804