Properties of the Number -138569

One Hundred Thirty-Eight Thousand Five Hundred Sixty-Nine

Basics

Value: -138570 → -138569 → -138568

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 138569

Divisors: 1, 138569

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001110101001001

Octal: -416511

Duodecimal: -68235

Hexadecimal: -21d49

Square: 19201367761

Square Root: 372.24857286496075

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

Smallest number k such that M(n)²-k·M(n)-1 is prime with M(n) = Mersenne primes = A000668(n). A139424

Smallest prime p such that M(n)²-p·M(n)-1 is prime with M(n)= Mersenne primes =A000668(n). A139428

Number of partitions of n² into squares not less than n. A93116

Primes that are concatenations of k-th composite and k-th prime. A38532

Primes p such that the differences between the 5 consecutive primes starting with p are (2,6,4,6). A78949

Smaller member of a twin prime pair with a triangular sum. A86816

Primes p such that p+2, p*(p+1)/2-2 and p*(p+1)/2+2 are also primes. A349336

Numbers k such that (17·10^k - 77)/3 is prime. A273371