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Properties of the Number -22939

Twenty-Two Thousand Nine Hundred Thirty-Nine

Basics

Value: -22940 → -22939 → -22938

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 29 × 113

Divisors: 1, 7, 29, 113, 203, 791, 3277, 22939

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -101100110011011

Octal: -54633

Duodecimal: -11337

Hexadecimal: -599b

Square: 526197721

Square Root: 151.4562643141577

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

T(n,k)=Number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero and three times sum of squares <= n·k*(k+1). A208814
Numbers k such that A003313(k) = A003313(5·k). A116460
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. A304156
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A305509
Odd composite numbers which in base 2 contain their largest proper factor as a substring of digits. A63131
Sum of the sizes of the Durfee squares of all partitions of n that do not contain 1 as a part, but with a(1) = 1. A208474
Number of nX3 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. A304151
Numbers k such that 105·2k+1 is prime. A32402
Numbers n such that n*(n+1)/2 is the juxtaposition of two identical strings in binary representation. A92739
a(n) = 2·a(n-1) - a(n-2) + 2·a(n-3), with a(0) = 2, a(1) = 2. A135541