Properties of the Number -139661

One Hundred Thirty-Nine Thousand Six Hundred Sixty-One

Basics

Value: -139662 → -139661 → -139660

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 139661

Divisors: 1, 139661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010000110001101

Octal: -420615

Duodecimal: -689A5

Hexadecimal: -2218d

Square: 19505194921

Square Root: 373.7124563083227

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

Prime numbers p of the form 10k+1 for which the pentanacci quintic polynomial x⁵-x⁴-x³-x²-x-1 modulus p is factorizable into five binomials. A135843

Prime-indexed primes q such that prime(q)-q-1 is a prime indexed prime. A318751

Least prime p of a quartet of 4 distinct primes {p, p+2, q, q+2} such that each digit of q is the same as the corresponding digit of p except that each 6 in p corresponds to a 9 in q and vice versa. A122712