Properties of the Number -25371

Twenty-Five Thousand Three Hundred Seventy-One

Basics

Value: -25372 → -25371 → -25370

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2819

Divisors: 1, 3, 9, 2819, 8457, 25371

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110001100011011

Octal: -61433

Duodecimal: -12823

Hexadecimal: -631b

Square: 643687641

Square Root: 159.28276742949942

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

a(1) = least k such that 1 + 1/2 < H(k) - H(2); a(2) = least k such that H(a(1)) - 1/2 < H(k) -H(a(1)), and for n > 2, a(n) = least k such that H(a(n-1)) - H(a(n-2)) > H(k) - H(a(n-1)), where H = harmonic number. A227965

Total sum of parts of multiplicity 8 in all partitions of n. A222736

Numbers k such that 245·2^k+1 is prime. A32499

a(n) is the smallest number such that a(n)*n is an anagram of a(n)*5. A175694

Indices n for which the partial sums of sin(k) (0 <= k <= n) reach a new minimum. A322288