Properties of the Number -139638

One Hundred Thirty-Nine Thousand Six Hundred Thirty-Eight

Basics

Value: -139639 → -139638 → -139637

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 17 × 37 ²

Divisors: 1, 2, 3, 6, 17, 34, 37, 51, 74, 102

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100010000101110110

Octal: -420566

Duodecimal: -68986

Hexadecimal: -22176

Square: 19498771044

Square Root: 373.68168271939686

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

Expansion of 1/(1+x-x²-2·x³). A77971

On a spirally numbered square grid, with labels starting at 0, this is the number of the final step that a (1,n) leaper makes before getting trapped, or -1 if it never gets trapped. A323470

Expansion of 1/(1-x-x²+2·x³). A77948

Number of nonnegative lattice paths from (0,0) to (n,0) where the allowed steps at (x,y) are (h,v) with h in {1..max(1,y)} and v in {-1,0,1}. A337067

Number of n X 7 0..1 arrays with rows unimodal and antidiagonals nondecreasing. A224408

Number of 6Xn 0..1 arrays with rows unimodal and antidiagonals nondecreasing. A224413