Properties of the Number -9875

Eight Hundred Seventy-Five

Basics

Value: -9876 → -9875 → -9874

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 79

Divisors: 1, 5, 25, 79, 125, 395, 1975, 9875

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011010010011

Octal: -23223

Duodecimal: -586B

Hexadecimal: -2693

Square: 97515625

Square Root: 99.37303457175895

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

Number of times the digit 7 appears in the first 10ⁿ decimal digits of Euler's number e = exp(1), counting starts after the decimal point. A322722

Column 2 of triangle A091602. A91605

Number of unlabeled rooted trees with n nodes in which the branches of any node with more than one distinct branch have empty intersection. A316501

String of digits encountered in decimal expansion of successive ratios k/(k+1), treating only non-repeating expansions, with decimal point and leading and trailing zeros removed. A156703

n written in fractional base 10/9. A24664

Total number of parts which are positive powers of 2 in all partitions of n. A73119

Monotonic ordering of nonnegative differences 10ⁱ-5^j, for 40>= i>=0, j>=0. A192202

Numbers k such that A090086(k), the smallest pseudoprime to base k (not necessarily exceeding k), is a Carmichael number. A293203

The binary expansion of a(n) is the first n terms of 2 - A000002. A329356

a(n) is the number of squares <= 10ⁿ that are not higher powers, i.e., terms of A076467. A378168